Home / 18,372,227.96-25,340,766.47-12,090,753.96

Finding the Fourth Proportional to 18,372,227.96, 25,340,766.47 and 12,090,753.96

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Solution

The fourth proportional to 18,372,227.96, 25,340,766.47 and 12,090,753.96 is: 16,676,745.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372,227.96 : 25,340,766.47 = 12,090,753.96 : x
  2. Step 2: Convert to fraction form
    18,372,227.96/25,340,766.47 = 12,090,753.96/x
  3. Step 3: Cross multiply
    18,372,227.96x = 25,340,766.47 × 12,090,753.96
  4. Step 4: Simplify right side
    18,372,227.96x = 306,388,972,546,587.75
  5. Step 5: Solve for x
    x = 306,388,972,546,587.75/18,372,227.96
  6. Step 6: Final answer
    x = 16,676,745.64

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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.