Home / 54,633,787.20-81,948,785.40-13,693,584.60

Finding the Fourth Proportional to 54,633,787.20, 81,948,785.40 and 13,693,584.60

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Solution

The fourth proportional to 54,633,787.20, 81,948,785.40 and 13,693,584.60 is: 20,539,901.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,633,787.20 : 81,948,785.40 = 13,693,584.60 : x
  2. Step 2: Convert to fraction form
    54,633,787.20/81,948,785.40 = 13,693,584.60/x
  3. Step 3: Cross multiply
    54,633,787.20x = 81,948,785.40 × 13,693,584.60
  4. Step 4: Simplify right side
    54,633,787.20x = 1,122,172,625,742,144.88
  5. Step 5: Solve for x
    x = 1,122,172,625,742,144.88/54,633,787.20
  6. Step 6: Final answer
    x = 20,539,901.83

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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.