Home / 28,582,832.60-42,850,147.20-12,396,592.88

Finding the Fourth Proportional to 28,582,832.60, 42,850,147.20 and 12,396,592.88

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Solution

The fourth proportional to 28,582,832.60, 42,850,147.20 and 12,396,592.88 is: 18,584,436.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,582,832.60 : 42,850,147.20 = 12,396,592.88 : x
  2. Step 2: Convert to fraction form
    28,582,832.60/42,850,147.20 = 12,396,592.88/x
  3. Step 3: Cross multiply
    28,582,832.60x = 42,850,147.20 × 12,396,592.88
  4. Step 4: Simplify right side
    28,582,832.60x = 531,195,829,686,472
  5. Step 5: Solve for x
    x = 531,195,829,686,472/28,582,832.60
  6. Step 6: Final answer
    x = 18,584,436.23

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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.