Finding the Fourth Proportional to 8,423,715.52, 12,637,147.92 and 3,375,419.68
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Solution
The fourth proportional to 8,423,715.52, 12,637,147.92 and 3,375,419.68 is: 5,063,760.49
Step by Step Solution
- Step 1: Write the proportion equation
8,423,715.52 : 12,637,147.92 = 3,375,419.68 : x - Step 2: Convert to fraction form
8,423,715.52/12,637,147.92 = 3,375,419.68/x - Step 3: Cross multiply
8,423,715.52x = 12,637,147.92 × 3,375,419.68 - Step 4: Simplify right side
8,423,715.52x = 42,655,677,788,239.07 - Step 5: Solve for x
x = 42,655,677,788,239.07/8,423,715.52 - Step 6: Final answer
x = 5,063,760.49
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.