Home / 11,123,857.20-16,685,785.80-3,943,498.80

Finding the Fourth Proportional to 11,123,857.20, 16,685,785.80 and 3,943,498.80

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Solution

The fourth proportional to 11,123,857.20, 16,685,785.80 and 3,943,498.80 is: 5,915,248.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,123,857.20 : 16,685,785.80 = 3,943,498.80 : x
  2. Step 2: Convert to fraction form
    11,123,857.20/16,685,785.80 = 3,943,498.80/x
  3. Step 3: Cross multiply
    11,123,857.20x = 16,685,785.80 × 3,943,498.80
  4. Step 4: Simplify right side
    11,123,857.20x = 65,800,376,279,357.04
  5. Step 5: Solve for x
    x = 65,800,376,279,357.04/11,123,857.20
  6. Step 6: Final answer
    x = 5,915,248.20

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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.