Home / 14,990,958.46-20,687,529.64-8,115,440.52

Finding the Fourth Proportional to 14,990,958.46, 20,687,529.64 and 8,115,440.52

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Solution

The fourth proportional to 14,990,958.46, 20,687,529.64 and 8,115,440.52 is: 11,199,311.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,990,958.46 : 20,687,529.64 = 8,115,440.52 : x
  2. Step 2: Convert to fraction form
    14,990,958.46/20,687,529.64 = 8,115,440.52/x
  3. Step 3: Cross multiply
    14,990,958.46x = 20,687,529.64 × 8,115,440.52
  4. Step 4: Simplify right side
    14,990,958.46x = 167,888,416,278,868.41
  5. Step 5: Solve for x
    x = 167,888,416,278,868.41/14,990,958.46
  6. Step 6: Final answer
    x = 11,199,311.69

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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.