Finding the Fourth Proportional to 10,375,580.60, 15,565,703.70 and 3,187,446.20
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Solution
The fourth proportional to 10,375,580.60, 15,565,703.70 and 3,187,446.20 is: 4,781,885.95
Step by Step Solution
- Step 1: Write the proportion equation
10,375,580.60 : 15,565,703.70 = 3,187,446.20 : x - Step 2: Convert to fraction form
10,375,580.60/15,565,703.70 = 3,187,446.20/x - Step 3: Cross multiply
10,375,580.60x = 15,565,703.70 × 3,187,446.20 - Step 4: Simplify right side
10,375,580.60x = 49,614,843,108,890.94 - Step 5: Solve for x
x = 49,614,843,108,890.94/10,375,580.60 - Step 6: Final answer
x = 4,781,885.95
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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.