Home / 28,388,747.34-42,587,231.40-8,951,375.88

Finding the Fourth Proportional to 28,388,747.34, 42,587,231.40 and 8,951,375.88

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Solution

The fourth proportional to 28,388,747.34, 42,587,231.40 and 8,951,375.88 is: 13,428,359.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,388,747.34 : 42,587,231.40 = 8,951,375.88 : x
  2. Step 2: Convert to fraction form
    28,388,747.34/42,587,231.40 = 8,951,375.88/x
  3. Step 3: Cross multiply
    28,388,747.34x = 42,587,231.40 × 8,951,375.88
  4. Step 4: Simplify right side
    28,388,747.34x = 381,214,315,949,938.62
  5. Step 5: Solve for x
    x = 381,214,315,949,938.62/28,388,747.34
  6. Step 6: Final answer
    x = 13,428,359.88

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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.