Find the common ratio for the following geometric sequence 4, 12, 36, 108...

Simone Watts

Simone Watts

Answered question

2022-11-17

Find the common ratio for the following geometric sequence 4, 12, 36, 108...

Answer & Explanation

Kristen Garza

Kristen Garza

Beginner2022-11-18Added 13 answers

The common ratio is simply the number that each number is being multiplied by to find the next term.
For example, when the sequence goes 4,12, 4 is being multiplied by 3.
When the sequence goes from 12 to 36, 12 is being multiplied by 3.
This is true for the entire sequence.
The term following 108 will be 108 × 3 = 324
The term proceeding 4 will be 4 3 since 4 3 × 3 = 4

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