Home / 28,979,433.10-43,469,149.65-15,542,505.10

Finding the Fourth Proportional to 28,979,433.10, 43,469,149.65 and 15,542,505.10

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Solution

The fourth proportional to 28,979,433.10, 43,469,149.65 and 15,542,505.10 is: 23,313,757.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,979,433.10 : 43,469,149.65 = 15,542,505.10 : x
  2. Step 2: Convert to fraction form
    28,979,433.10/43,469,149.65 = 15,542,505.10/x
  3. Step 3: Cross multiply
    28,979,433.10x = 43,469,149.65 × 15,542,505.10
  4. Step 4: Simplify right side
    28,979,433.10x = 675,619,480,127,788.12
  5. Step 5: Solve for x
    x = 675,619,480,127,788.12/28,979,433.10
  6. Step 6: Final answer
    x = 23,313,757.65

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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.