Finding the Fourth Proportional to 30,793,944.43, 42,497,615.99 and 17,740,966.15
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Solution
The fourth proportional to 30,793,944.43, 42,497,615.99 and 17,740,966.15 is: 24,483,669.79
Step by Step Solution
- Step 1: Write the proportion equation
30,793,944.43 : 42,497,615.99 = 17,740,966.15 : x - Step 2: Convert to fraction form
30,793,944.43/42,497,615.99 = 17,740,966.15/x - Step 3: Cross multiply
30,793,944.43x = 42,497,615.99 × 17,740,966.15 - Step 4: Simplify right side
30,793,944.43x = 753,948,766,981,191.62 - Step 5: Solve for x
x = 753,948,766,981,191.62/30,793,944.43 - Step 6: Final answer
x = 24,483,669.79
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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.