Home / 18,486,229.20-25,502,399.52-11,961,964.68

Finding the Fourth Proportional to 18,486,229.20, 25,502,399.52 and 11,961,964.68

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Solution

The fourth proportional to 18,486,229.20, 25,502,399.52 and 11,961,964.68 is: 16,501,948.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,486,229.20 : 25,502,399.52 = 11,961,964.68 : x
  2. Step 2: Convert to fraction form
    18,486,229.20/25,502,399.52 = 11,961,964.68/x
  3. Step 3: Cross multiply
    18,486,229.20x = 25,502,399.52 × 11,961,964.68
  4. Step 4: Simplify right side
    18,486,229.20x = 305,058,802,313,488.94
  5. Step 5: Solve for x
    x = 305,058,802,313,488.94/18,486,229.20
  6. Step 6: Final answer
    x = 16,501,948.51

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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.