Finding the Fourth Proportional to 11,107,589.16, 16,650,451.65 and 6,490,715.97
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Solution
The fourth proportional to 11,107,589.16, 16,650,451.65 and 6,490,715.97 is: 9,729,685.79
Step by Step Solution
- Step 1: Write the proportion equation
11,107,589.16 : 16,650,451.65 = 6,490,715.97 : x - Step 2: Convert to fraction form
11,107,589.16/16,650,451.65 = 6,490,715.97/x - Step 3: Cross multiply
11,107,589.16x = 16,650,451.65 × 6,490,715.97 - Step 4: Simplify right side
11,107,589.16x = 108,073,352,432,367.84 - Step 5: Solve for x
x = 108,073,352,432,367.84/11,107,589.16 - Step 6: Final answer
x = 9,729,685.79
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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.