Finding the Fourth Proportional to 11,491,108.74, 15,857,837.82 and 6,334,654.68
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Solution
The fourth proportional to 11,491,108.74, 15,857,837.82 and 6,334,654.68 is: 8,741,882.86
Step by Step Solution
- Step 1: Write the proportion equation
11,491,108.74 : 15,857,837.82 = 6,334,654.68 : x - Step 2: Convert to fraction form
11,491,108.74/15,857,837.82 = 6,334,654.68/x - Step 3: Cross multiply
11,491,108.74x = 15,857,837.82 × 6,334,654.68 - Step 4: Simplify right side
11,491,108.74x = 100,453,926,561,144 - Step 5: Solve for x
x = 100,453,926,561,144/11,491,108.74 - Step 6: Final answer
x = 8,741,882.86
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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.