Finding the Fourth Proportional to 10,753,446.96, 16,148,580.12 and 7,182,163.44
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Solution
The fourth proportional to 10,753,446.96, 16,148,580.12 and 7,182,163.44 is: 10,785,540.88
Step by Step Solution
- Step 1: Write the proportion equation
10,753,446.96 : 16,148,580.12 = 7,182,163.44 : x - Step 2: Convert to fraction form
10,753,446.96/16,148,580.12 = 7,182,163.44/x - Step 3: Cross multiply
10,753,446.96x = 16,148,580.12 × 7,182,163.44 - Step 4: Simplify right side
10,753,446.96x = 115,981,741,745,774.81 - Step 5: Solve for x
x = 115,981,741,745,774.81/10,753,446.96 - Step 6: Final answer
x = 10,785,540.88
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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.