Home / 12,073,446.31-16,659,843.65-8,161,713.57

Finding the Fourth Proportional to 12,073,446.31, 16,659,843.65 and 8,161,713.57

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Solution

The fourth proportional to 12,073,446.31, 16,659,843.65 and 8,161,713.57 is: 11,262,142.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073,446.31 : 16,659,843.65 = 8,161,713.57 : x
  2. Step 2: Convert to fraction form
    12,073,446.31/16,659,843.65 = 8,161,713.57/x
  3. Step 3: Cross multiply
    12,073,446.31x = 16,659,843.65 × 8,161,713.57
  4. Step 4: Simplify right side
    12,073,446.31x = 135,972,871,949,292.42
  5. Step 5: Solve for x
    x = 135,972,871,949,292.42/12,073,446.31
  6. Step 6: Final answer
    x = 11,262,142.43

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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.