Finding the Fourth Proportional to 29,001,732.48, 40,023,418.68 and 15,950,000.79
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Solution
The fourth proportional to 29,001,732.48, 40,023,418.68 and 15,950,000.79 is: 22,011,566.38
Step by Step Solution
- Step 1: Write the proportion equation
29,001,732.48 : 40,023,418.68 = 15,950,000.79 : x - Step 2: Convert to fraction form
29,001,732.48/40,023,418.68 = 15,950,000.79/x - Step 3: Cross multiply
29,001,732.48x = 40,023,418.68 × 15,950,000.79 - Step 4: Simplify right side
29,001,732.48x = 638,373,559,564,500.75 - Step 5: Solve for x
x = 638,373,559,564,500.75/29,001,732.48 - Step 6: Final answer
x = 22,011,566.38
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1.5x scale
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.