Home / 12,073,449.15-16,659,847.57-8,161,716.43

Finding the Fourth Proportional to 12,073,449.15, 16,659,847.57 and 8,161,716.43

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Solution

The fourth proportional to 12,073,449.15, 16,659,847.57 and 8,161,716.43 is: 11,262,146.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073,449.15 : 16,659,847.57 = 8,161,716.43 : x
  2. Step 2: Convert to fraction form
    12,073,449.15/16,659,847.57 = 8,161,716.43/x
  3. Step 3: Cross multiply
    12,073,449.15x = 16,659,847.57 × 8,161,716.43
  4. Step 4: Simplify right side
    12,073,449.15x = 135,972,951,637,612.94
  5. Step 5: Solve for x
    x = 135,972,951,637,612.94/12,073,449.15
  6. Step 6: Final answer
    x = 11,262,146.38

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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.