Finding the Fourth Proportional to 29,819,105.80, 44,728,658.70 and 15,446,579.20
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Solution
The fourth proportional to 29,819,105.80, 44,728,658.70 and 15,446,579.20 is: 23,169,868.80
Step by Step Solution
- Step 1: Write the proportion equation
29,819,105.80 : 44,728,658.70 = 15,446,579.20 : x - Step 2: Convert to fraction form
29,819,105.80/44,728,658.70 = 15,446,579.20/x - Step 3: Cross multiply
29,819,105.80x = 44,728,658.70 × 15,446,579.20 - Step 4: Simplify right side
29,819,105.80x = 690,904,769,119,319 - Step 5: Solve for x
x = 690,904,769,119,319/29,819,105.80 - Step 6: Final answer
x = 23,169,868.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.