Home / 12,100,042.70-18,157,062.45-4,527,773.90

Finding the Fourth Proportional to 12,100,042.70, 18,157,062.45 and 4,527,773.90

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Solution

The fourth proportional to 12,100,042.70, 18,157,062.45 and 4,527,773.90 is: 6,794,279.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,100,042.70 : 18,157,062.45 = 4,527,773.90 : x
  2. Step 2: Convert to fraction form
    12,100,042.70/18,157,062.45 = 4,527,773.90/x
  3. Step 3: Cross multiply
    12,100,042.70x = 18,157,062.45 × 4,527,773.90
  4. Step 4: Simplify right side
    12,100,042.70x = 82,211,073,461,780.06
  5. Step 5: Solve for x
    x = 82,211,073,461,780.06/12,100,042.70
  6. Step 6: Final answer
    x = 6,794,279.62

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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.