Home / 10,887,638.10-16,331,457.15-3,707,279.70

Finding the Fourth Proportional to 10,887,638.10, 16,331,457.15 and 3,707,279.70

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Solution

The fourth proportional to 10,887,638.10, 16,331,457.15 and 3,707,279.70 is: 5,560,919.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887,638.10 : 16,331,457.15 = 3,707,279.70 : x
  2. Step 2: Convert to fraction form
    10,887,638.10/16,331,457.15 = 3,707,279.70/x
  3. Step 3: Cross multiply
    10,887,638.10x = 16,331,457.15 × 3,707,279.70
  4. Step 4: Simplify right side
    10,887,638.10x = 60,545,279,563,614.86
  5. Step 5: Solve for x
    x = 60,545,279,563,614.86/10,887,638.10
  6. Step 6: Final answer
    x = 5,560,919.55

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Similar ratio
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1.5x scale

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.