Home / 28,979,423.60-43,469,135.40-15,542,495.60

Finding the Fourth Proportional to 28,979,423.60, 43,469,135.40 and 15,542,495.60

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Solution

The fourth proportional to 28,979,423.60, 43,469,135.40 and 15,542,495.60 is: 23,313,743.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,979,423.60 : 43,469,135.40 = 15,542,495.60 : x
  2. Step 2: Convert to fraction form
    28,979,423.60/43,469,135.40 = 15,542,495.60/x
  3. Step 3: Cross multiply
    28,979,423.60x = 43,469,135.40 × 15,542,495.60
  4. Step 4: Simplify right side
    28,979,423.60x = 675,618,845,690,304.25
  5. Step 5: Solve for x
    x = 675,618,845,690,304.25/28,979,423.60
  6. Step 6: Final answer
    x = 23,313,743.40

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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.