Finding the Fourth Proportional to 29,139,423.42, 40,211,350.99 and 16,086,402.62
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Solution
The fourth proportional to 29,139,423.42, 40,211,350.99 and 16,086,402.62 is: 22,198,654.12
Step by Step Solution
- Step 1: Write the proportion equation
29,139,423.42 : 40,211,350.99 = 16,086,402.62 : x - Step 2: Convert to fraction form
29,139,423.42/40,211,350.99 = 16,086,402.62/x - Step 3: Cross multiply
29,139,423.42x = 40,211,350.99 × 16,086,402.62 - Step 4: Simplify right side
29,139,423.42x = 646,855,981,678,002.75 - Step 5: Solve for x
x = 646,855,981,678,002.75/29,139,423.42 - Step 6: Final answer
x = 22,198,654.12
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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.