Home / 12,073,446.34-16,659,843.72-8,161,713.61

Finding the Fourth Proportional to 12,073,446.34, 16,659,843.72 and 8,161,713.61

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Solution

The fourth proportional to 12,073,446.34, 16,659,843.72 and 8,161,713.61 is: 11,262,142.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073,446.34 : 16,659,843.72 = 8,161,713.61 : x
  2. Step 2: Convert to fraction form
    12,073,446.34/16,659,843.72 = 8,161,713.61/x
  3. Step 3: Cross multiply
    12,073,446.34x = 16,659,843.72 × 8,161,713.61
  4. Step 4: Simplify right side
    12,073,446.34x = 135,972,873,229,997.05
  5. Step 5: Solve for x
    x = 135,972,873,229,997.05/12,073,446.34
  6. Step 6: Final answer
    x = 11,262,142.51

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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.