Home / 13,377,087.28-18,468,028.92-8,806,694.68

Finding the Fourth Proportional to 13,377,087.28, 18,468,028.92 and 8,806,694.68

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Solution

The fourth proportional to 13,377,087.28, 18,468,028.92 and 8,806,694.68 is: 12,158,273.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,377,087.28 : 18,468,028.92 = 8,806,694.68 : x
  2. Step 2: Convert to fraction form
    13,377,087.28/18,468,028.92 = 8,806,694.68/x
  3. Step 3: Cross multiply
    13,377,087.28x = 18,468,028.92 × 8,806,694.68
  4. Step 4: Simplify right side
    13,377,087.28x = 162,642,292,039,850.16
  5. Step 5: Solve for x
    x = 162,642,292,039,850.16/13,377,087.28
  6. Step 6: Final answer
    x = 12,158,273.97

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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.