Finding the Fourth Proportional to 21,331,108.35, 29,436,719.94 and 11,541,337.74
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Solution
The fourth proportional to 21,331,108.35, 29,436,719.94 and 11,541,337.74 is: 15,926,932.68
Step by Step Solution
- Step 1: Write the proportion equation
21,331,108.35 : 29,436,719.94 = 11,541,337.74 : x - Step 2: Convert to fraction form
21,331,108.35/29,436,719.94 = 11,541,337.74/x - Step 3: Cross multiply
21,331,108.35x = 29,436,719.94 × 11,541,337.74 - Step 4: Simplify right side
21,331,108.35x = 339,739,126,785,332.56 - Step 5: Solve for x
x = 339,739,126,785,332.56/21,331,108.35 - Step 6: Final answer
x = 15,926,932.68
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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.