Finding the Fourth Proportional to 8,678,859.20, 13,018,288.80 and 2,375,115.20
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Solution
The fourth proportional to 8,678,859.20, 13,018,288.80 and 2,375,115.20 is: 3,562,672.80
Step by Step Solution
- Step 1: Write the proportion equation
8,678,859.20 : 13,018,288.80 = 2,375,115.20 : x - Step 2: Convert to fraction form
8,678,859.20/13,018,288.80 = 2,375,115.20/x - Step 3: Cross multiply
8,678,859.20x = 13,018,288.80 × 2,375,115.20 - Step 4: Simplify right side
8,678,859.20x = 30,919,935,606,869.77 - Step 5: Solve for x
x = 30,919,935,606,869.77/8,678,859.20 - Step 6: Final answer
x = 3,562,672.80
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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.