Home / 39,251,288.78-54,166,780.95-21,847,260.62

Finding the Fourth Proportional to 39,251,288.78, 54,166,780.95 and 21,847,260.62

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Solution

The fourth proportional to 39,251,288.78, 54,166,780.95 and 21,847,260.62 is: 30,149,221.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,251,288.78 : 54,166,780.95 = 21,847,260.62 : x
  2. Step 2: Convert to fraction form
    39,251,288.78/54,166,780.95 = 21,847,260.62/x
  3. Step 3: Cross multiply
    39,251,288.78x = 54,166,780.95 × 21,847,260.62
  4. Step 4: Simplify right side
    39,251,288.78x = 1,183,395,780,361,101.25
  5. Step 5: Solve for x
    x = 1,183,395,780,361,101.25/39,251,288.78
  6. Step 6: Final answer
    x = 30,149,221.01

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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.