Finding the Fourth Proportional to 7,353,552.20, 11,017,545.37 and 5,160,470.80
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Solution
The fourth proportional to 7,353,552.20, 11,017,545.37 and 5,160,470.80 is: 7,731,735.58
Step by Step Solution
- Step 1: Write the proportion equation
7,353,552.20 : 11,017,545.37 = 5,160,470.80 : x - Step 2: Convert to fraction form
7,353,552.20/11,017,545.37 = 5,160,470.80/x - Step 3: Cross multiply
7,353,552.20x = 11,017,545.37 × 5,160,470.80 - Step 4: Simplify right side
7,353,552.20x = 56,855,721,169,560.19 - Step 5: Solve for x
x = 56,855,721,169,560.19/7,353,552.20 - Step 6: Final answer
x = 7,731,735.58
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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.