Finding the Fourth Proportional to 29,270,419.91, 40,392,644.81 and 16,217,631.17
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Solution
The fourth proportional to 29,270,419.91, 40,392,644.81 and 16,217,631.17 is: 22,380,034.78
Step by Step Solution
- Step 1: Write the proportion equation
29,270,419.91 : 40,392,644.81 = 16,217,631.17 : x - Step 2: Convert to fraction form
29,270,419.91/40,392,644.81 = 16,217,631.17/x - Step 3: Cross multiply
29,270,419.91x = 40,392,644.81 × 16,217,631.17 - Step 4: Simplify right side
29,270,419.91x = 655,073,015,509,394.75 - Step 5: Solve for x
x = 655,073,015,509,394.75/29,270,419.91 - Step 6: Final answer
x = 22,380,034.78
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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.