Home / 28,167,432.20-42,251,148.30-8,998,814.60

Finding the Fourth Proportional to 28,167,432.20, 42,251,148.30 and 8,998,814.60

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Solution

The fourth proportional to 28,167,432.20, 42,251,148.30 and 8,998,814.60 is: 13,498,221.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,167,432.20 : 42,251,148.30 = 8,998,814.60 : x
  2. Step 2: Convert to fraction form
    28,167,432.20/42,251,148.30 = 8,998,814.60/x
  3. Step 3: Cross multiply
    28,167,432.20x = 42,251,148.30 × 8,998,814.60
  4. Step 4: Simplify right side
    28,167,432.20x = 380,210,250,188,805.12
  5. Step 5: Solve for x
    x = 380,210,250,188,805.12/28,167,432.20
  6. Step 6: Final answer
    x = 13,498,221.90

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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.