Home / 28,979,459.85-43,469,189.78-15,542,531.85

Finding the Fourth Proportional to 28,979,459.85, 43,469,189.78 and 15,542,531.85

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Solution

The fourth proportional to 28,979,459.85, 43,469,189.78 and 15,542,531.85 is: 23,313,797.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,979,459.85 : 43,469,189.78 = 15,542,531.85 : x
  2. Step 2: Convert to fraction form
    28,979,459.85/43,469,189.78 = 15,542,531.85/x
  3. Step 3: Cross multiply
    28,979,459.85x = 43,469,189.78 × 15,542,531.85
  4. Step 4: Simplify right side
    28,979,459.85x = 675,621,266,571,631.75
  5. Step 5: Solve for x
    x = 675,621,266,571,631.75/28,979,459.85
  6. Step 6: Final answer
    x = 23,313,797.78

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Double scale
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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.