Finding the Fourth Proportional to 29,073,827.68, 40,122,151.25 and 16,021,553.67
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Solution
The fourth proportional to 29,073,827.68, 40,122,151.25 and 16,021,553.67 is: 22,109,892.33
Step by Step Solution
- Step 1: Write the proportion equation
29,073,827.68 : 40,122,151.25 = 16,021,553.67 : x - Step 2: Convert to fraction form
29,073,827.68/40,122,151.25 = 16,021,553.67/x - Step 3: Cross multiply
29,073,827.68x = 40,122,151.25 × 16,021,553.67 - Step 4: Simplify right side
29,073,827.68x = 642,819,199,527,624.75 - Step 5: Solve for x
x = 642,819,199,527,624.75/29,073,827.68 - Step 6: Final answer
x = 22,109,892.33
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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.