Home / 39,251,287.28-54,166,778.88-21,847,259.12

Finding the Fourth Proportional to 39,251,287.28, 54,166,778.88 and 21,847,259.12

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Solution

The fourth proportional to 39,251,287.28, 54,166,778.88 and 21,847,259.12 is: 30,149,218.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,251,287.28 : 54,166,778.88 = 21,847,259.12 : x
  2. Step 2: Convert to fraction form
    39,251,287.28/54,166,778.88 = 21,847,259.12/x
  3. Step 3: Cross multiply
    39,251,287.28x = 54,166,778.88 × 21,847,259.12
  4. Step 4: Simplify right side
    39,251,287.28x = 1,183,395,653,887,103.50
  5. Step 5: Solve for x
    x = 1,183,395,653,887,103.50/39,251,287.28
  6. Step 6: Final answer
    x = 30,149,218.94

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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.