Finding the Fourth Proportional to 21,331,106.10, 29,436,716.84 and 11,541,335.48
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Solution
The fourth proportional to 21,331,106.10, 29,436,716.84 and 11,541,335.48 is: 15,926,929.58
Step by Step Solution
- Step 1: Write the proportion equation
21,331,106.10 : 29,436,716.84 = 11,541,335.48 : x - Step 2: Convert to fraction form
21,331,106.10/29,436,716.84 = 11,541,335.48/x - Step 3: Cross multiply
21,331,106.10x = 29,436,716.84 × 11,541,335.48 - Step 4: Simplify right side
21,331,106.10x = 339,739,024,582,103.38 - Step 5: Solve for x
x = 339,739,024,582,103.38/21,331,106.10 - Step 6: Final answer
x = 15,926,929.58
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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.