Home / 12,355,101.20-18,520,306.17-5,866,760.63

Finding the Fourth Proportional to 12,355,101.20, 18,520,306.17 and 5,866,760.63

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Solution

The fourth proportional to 12,355,101.20, 18,520,306.17 and 5,866,760.63 is: 8,794,278.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355,101.20 : 18,520,306.17 = 5,866,760.63 : x
  2. Step 2: Convert to fraction form
    12,355,101.20/18,520,306.17 = 5,866,760.63/x
  3. Step 3: Cross multiply
    12,355,101.20x = 18,520,306.17 × 5,866,760.63
  4. Step 4: Simplify right side
    12,355,101.20x = 108,654,203,001,100.56
  5. Step 5: Solve for x
    x = 108,654,203,001,100.56/12,355,101.20
  6. Step 6: Final answer
    x = 8,794,278.68

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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.