Home / 11,555,045.38-15,945,767.78-6,398,296.20

Finding the Fourth Proportional to 11,555,045.38, 15,945,767.78 and 6,398,296.20

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Solution

The fourth proportional to 11,555,045.38, 15,945,767.78 and 6,398,296.20 is: 8,829,540.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555,045.38 : 15,945,767.78 = 6,398,296.20 : x
  2. Step 2: Convert to fraction form
    11,555,045.38/15,945,767.78 = 6,398,296.20/x
  3. Step 3: Cross multiply
    11,555,045.38x = 15,945,767.78 × 6,398,296.20
  4. Step 4: Simplify right side
    11,555,045.38x = 102,025,745,392,856.44
  5. Step 5: Solve for x
    x = 102,025,745,392,856.44/11,555,045.38
  6. Step 6: Final answer
    x = 8,829,540.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.