Home / 39,239,815.22-54,150,515.25-21,598,340.58

Finding the Fourth Proportional to 39,239,815.22, 54,150,515.25 and 21,598,340.58

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Solution

The fourth proportional to 39,239,815.22, 54,150,515.25 and 21,598,340.58 is: 29,805,473.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,239,815.22 : 54,150,515.25 = 21,598,340.58 : x
  2. Step 2: Convert to fraction form
    39,239,815.22/54,150,515.25 = 21,598,340.58/x
  3. Step 3: Cross multiply
    39,239,815.22x = 54,150,515.25 × 21,598,340.58
  4. Step 4: Simplify right side
    39,239,815.22x = 1,169,561,270,951,983.75
  5. Step 5: Solve for x
    x = 1,169,561,270,951,983.75/39,239,815.22
  6. Step 6: Final answer
    x = 29,805,473.46

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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.