Home / 14,757,108.92-20,364,742.74-8,141,517.38

Finding the Fourth Proportional to 14,757,108.92, 20,364,742.74 and 8,141,517.38

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Solution

The fourth proportional to 14,757,108.92, 20,364,742.74 and 8,141,517.38 is: 11,235,256.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,757,108.92 : 20,364,742.74 = 8,141,517.38 : x
  2. Step 2: Convert to fraction form
    14,757,108.92/20,364,742.74 = 8,141,517.38/x
  3. Step 3: Cross multiply
    14,757,108.92x = 20,364,742.74 × 8,141,517.38
  4. Step 4: Simplify right side
    14,757,108.92x = 165,799,906,956,938.81
  5. Step 5: Solve for x
    x = 165,799,906,956,938.81/14,757,108.92
  6. Step 6: Final answer
    x = 11,235,256.71

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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.