Home / 18,372,227.46-25,340,765.78-12,090,753.46

Finding the Fourth Proportional to 18,372,227.46, 25,340,765.78 and 12,090,753.46

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Solution

The fourth proportional to 18,372,227.46, 25,340,765.78 and 12,090,753.46 is: 16,676,744.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372,227.46 : 25,340,765.78 = 12,090,753.46 : x
  2. Step 2: Convert to fraction form
    18,372,227.46/25,340,765.78 = 12,090,753.46/x
  3. Step 3: Cross multiply
    18,372,227.46x = 25,340,765.78 × 12,090,753.46
  4. Step 4: Simplify right side
    18,372,227.46x = 306,388,951,533,584.62
  5. Step 5: Solve for x
    x = 306,388,951,533,584.62/18,372,227.46
  6. Step 6: Final answer
    x = 16,676,744.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.