Finding the Fourth Proportional to 11,428,475.97, 15,766,807.08 and 6,531,070.71
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Solution
The fourth proportional to 11,428,475.97, 15,766,807.08 and 6,531,070.71 is: 9,010,311.80
Step by Step Solution
- Step 1: Write the proportion equation
11,428,475.97 : 15,766,807.08 = 6,531,070.71 : x - Step 2: Convert to fraction form
11,428,475.97/15,766,807.08 = 6,531,070.71/x - Step 3: Cross multiply
11,428,475.97x = 15,766,807.08 × 6,531,070.71 - Step 4: Simplify right side
11,428,475.97x = 102,974,131,910,408.62 - Step 5: Solve for x
x = 102,974,131,910,408.62/11,428,475.97 - Step 6: Final answer
x = 9,010,311.80
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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.