Home / 28,979,433.70-43,469,150.55-15,542,505.70

Finding the Fourth Proportional to 28,979,433.70, 43,469,150.55 and 15,542,505.70

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Solution

The fourth proportional to 28,979,433.70, 43,469,150.55 and 15,542,505.70 is: 23,313,758.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,979,433.70 : 43,469,150.55 = 15,542,505.70 : x
  2. Step 2: Convert to fraction form
    28,979,433.70/43,469,150.55 = 15,542,505.70/x
  3. Step 3: Cross multiply
    28,979,433.70x = 43,469,150.55 × 15,542,505.70
  4. Step 4: Simplify right side
    28,979,433.70x = 675,619,520,197,533
  5. Step 5: Solve for x
    x = 675,619,520,197,533/28,979,433.70
  6. Step 6: Final answer
    x = 23,313,758.55

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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.