Home / 15,106,701.35-20,847,250.85-8,231,183.42

Finding the Fourth Proportional to 15,106,701.35, 20,847,250.85 and 8,231,183.42

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Solution

The fourth proportional to 15,106,701.35, 20,847,250.85 and 8,231,183.42 is: 11,359,034.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,106,701.35 : 20,847,250.85 = 8,231,183.42 : x
  2. Step 2: Convert to fraction form
    15,106,701.35/20,847,250.85 = 8,231,183.42/x
  3. Step 3: Cross multiply
    15,106,701.35x = 20,847,250.85 × 8,231,183.42
  4. Step 4: Simplify right side
    15,106,701.35x = 171,597,545,403,708.72
  5. Step 5: Solve for x
    x = 171,597,545,403,708.72/15,106,701.35
  6. Step 6: Final answer
    x = 11,359,034.74

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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.