Home / 12,451,796.70-18,680,319.45-3,932,994.30

Finding the Fourth Proportional to 12,451,796.70, 18,680,319.45 and 3,932,994.30

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Solution

The fourth proportional to 12,451,796.70, 18,680,319.45 and 3,932,994.30 is: 5,900,320.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451,796.70 : 18,680,319.45 = 3,932,994.30 : x
  2. Step 2: Convert to fraction form
    12,451,796.70/18,680,319.45 = 3,932,994.30/x
  3. Step 3: Cross multiply
    12,451,796.70x = 18,680,319.45 × 3,932,994.30
  4. Step 4: Simplify right side
    12,451,796.70x = 73,469,589,919,029.12
  5. Step 5: Solve for x
    x = 73,469,589,919,029.12/12,451,796.70
  6. Step 6: Final answer
    x = 5,900,320.39

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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.