Home / 28,979,711.10-43,469,566.65-15,542,783.10

Finding the Fourth Proportional to 28,979,711.10, 43,469,566.65 and 15,542,783.10

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Solution

The fourth proportional to 28,979,711.10, 43,469,566.65 and 15,542,783.10 is: 23,314,174.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,979,711.10 : 43,469,566.65 = 15,542,783.10 : x
  2. Step 2: Convert to fraction form
    28,979,711.10/43,469,566.65 = 15,542,783.10/x
  3. Step 3: Cross multiply
    28,979,711.10x = 43,469,566.65 × 15,542,783.10
  4. Step 4: Simplify right side
    28,979,711.10x = 675,638,045,891,943.62
  5. Step 5: Solve for x
    x = 675,638,045,891,943.62/28,979,711.10
  6. Step 6: Final answer
    x = 23,314,174.65

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Double scale
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Similar ratio
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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.