Home / 13,204,340.87-18,215,235.20-8,801,647.43

Finding the Fourth Proportional to 13,204,340.87, 18,215,235.20 and 8,801,647.43

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Solution

The fourth proportional to 13,204,340.87, 18,215,235.20 and 8,801,647.43 is: 12,141,770.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204,340.87 : 18,215,235.20 = 8,801,647.43 : x
  2. Step 2: Convert to fraction form
    13,204,340.87/18,215,235.20 = 8,801,647.43/x
  3. Step 3: Cross multiply
    13,204,340.87x = 18,215,235.20 × 8,801,647.43
  4. Step 4: Simplify right side
    13,204,340.87x = 160,324,078,040,917.28
  5. Step 5: Solve for x
    x = 160,324,078,040,917.28/13,204,340.87
  6. Step 6: Final answer
    x = 12,141,770.62

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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.