Home / 38,970,979.76-58,469,451.92-13,065,844.48

Finding the Fourth Proportional to 38,970,979.76, 58,469,451.92 and 13,065,844.48

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Solution

The fourth proportional to 38,970,979.76, 58,469,451.92 and 13,065,844.48 is: 19,603,119.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,970,979.76 : 58,469,451.92 = 13,065,844.48 : x
  2. Step 2: Convert to fraction form
    38,970,979.76/58,469,451.92 = 13,065,844.48/x
  3. Step 3: Cross multiply
    38,970,979.76x = 58,469,451.92 × 13,065,844.48
  4. Step 4: Simplify right side
    38,970,979.76x = 763,952,765,617,557.50
  5. Step 5: Solve for x
    x = 763,952,765,617,557.50/38,970,979.76
  6. Step 6: Final answer
    x = 19,603,119.30

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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.