Finding the Fourth Proportional to 7,413,834.80, 11,120,752.20 and 4,564,708.40
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Solution
The fourth proportional to 7,413,834.80, 11,120,752.20 and 4,564,708.40 is: 6,847,062.60
Step by Step Solution
- Step 1: Write the proportion equation
7,413,834.80 : 11,120,752.20 = 4,564,708.40 : x - Step 2: Convert to fraction form
7,413,834.80/11,120,752.20 = 4,564,708.40/x - Step 3: Cross multiply
7,413,834.80x = 11,120,752.20 × 4,564,708.40 - Step 4: Simplify right side
7,413,834.80x = 50,762,990,981,658.48 - Step 5: Solve for x
x = 50,762,990,981,658.48/7,413,834.80 - Step 6: Final answer
x = 6,847,062.60
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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.