Finding the Fourth Proportional to 10,349,545.70, 15,524,318.55 and 4,680,841.70
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Solution
The fourth proportional to 10,349,545.70, 15,524,318.55 and 4,680,841.70 is: 7,021,262.55
Step by Step Solution
- Step 1: Write the proportion equation
10,349,545.70 : 15,524,318.55 = 4,680,841.70 : x - Step 2: Convert to fraction form
10,349,545.70/15,524,318.55 = 4,680,841.70/x - Step 3: Cross multiply
10,349,545.70x = 15,524,318.55 × 4,680,841.70 - Step 4: Simplify right side
10,349,545.70x = 72,666,877,632,923.55 - Step 5: Solve for x
x = 72,666,877,632,923.55/10,349,545.70 - Step 6: Final answer
x = 7,021,262.55
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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.