Finding the Fourth Proportional to 7,192,073.92, 10,788,525.12 and 2,704,388.80
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Solution
The fourth proportional to 7,192,073.92, 10,788,525.12 and 2,704,388.80 is: 4,056,738.96
Step by Step Solution
- Step 1: Write the proportion equation
7,192,073.92 : 10,788,525.12 = 2,704,388.80 : x - Step 2: Convert to fraction form
7,192,073.92/10,788,525.12 = 2,704,388.80/x - Step 3: Cross multiply
7,192,073.92x = 10,788,525.12 × 2,704,388.80 - Step 4: Simplify right side
7,192,073.92x = 29,176,366,503,046.65 - Step 5: Solve for x
x = 29,176,366,503,046.65/7,192,073.92 - Step 6: Final answer
x = 4,056,738.96
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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.