Home / 28,276,662.70-42,375,449.56-15,294,776.92

Finding the Fourth Proportional to 28,276,662.70, 42,375,449.56 and 15,294,776.92

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Solution

The fourth proportional to 28,276,662.70, 42,375,449.56 and 15,294,776.92 is: 22,920,775.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,276,662.70 : 42,375,449.56 = 15,294,776.92 : x
  2. Step 2: Convert to fraction form
    28,276,662.70/42,375,449.56 = 15,294,776.92/x
  3. Step 3: Cross multiply
    28,276,662.70x = 42,375,449.56 × 15,294,776.92
  4. Step 4: Simplify right side
    28,276,662.70x = 648,123,047,904,912.25
  5. Step 5: Solve for x
    x = 648,123,047,904,912.25/28,276,662.70
  6. Step 6: Final answer
    x = 22,920,775.86

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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.