Finding the Fourth Proportional to 21,334,532.10, 29,441,731.86 and 11,544,975.18
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Solution
The fourth proportional to 21,334,532.10, 29,441,731.86 and 11,544,975.18 is: 15,932,107.72
Step by Step Solution
- Step 1: Write the proportion equation
21,334,532.10 : 29,441,731.86 = 11,544,975.18 : x - Step 2: Convert to fraction form
21,334,532.10/29,441,731.86 = 11,544,975.18/x - Step 3: Cross multiply
21,334,532.10x = 29,441,731.86 × 11,544,975.18 - Step 4: Simplify right side
21,334,532.10x = 339,904,063,579,915.25 - Step 5: Solve for x
x = 339,904,063,579,915.25/21,334,532.10 - Step 6: Final answer
x = 15,932,107.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.