Home / 18,785,723.87-28,188,227.39-8,948,927.28

Finding the Fourth Proportional to 18,785,723.87, 28,188,227.39 and 8,948,927.28

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Solution

The fourth proportional to 18,785,723.87, 28,188,227.39 and 8,948,927.28 is: 13,427,983.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,785,723.87 : 28,188,227.39 = 8,948,927.28 : x
  2. Step 2: Convert to fraction form
    18,785,723.87/28,188,227.39 = 8,948,927.28/x
  3. Step 3: Cross multiply
    18,785,723.87x = 28,188,227.39 × 8,948,927.28
  4. Step 4: Simplify right side
    18,785,723.87x = 252,254,397,054,028.03
  5. Step 5: Solve for x
    x = 252,254,397,054,028.03/18,785,723.87
  6. Step 6: Final answer
    x = 13,427,983.87

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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.