Home / 16,687,286.42-25,034,835.24-5,172,151.86

Finding the Fourth Proportional to 16,687,286.42, 25,034,835.24 and 5,172,151.86

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Solution

The fourth proportional to 16,687,286.42, 25,034,835.24 and 5,172,151.86 is: 7,759,438.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,687,286.42 : 25,034,835.24 = 5,172,151.86 : x
  2. Step 2: Convert to fraction form
    16,687,286.42/25,034,835.24 = 5,172,151.86/x
  3. Step 3: Cross multiply
    16,687,286.42x = 25,034,835.24 × 5,172,151.86
  4. Step 4: Simplify right side
    16,687,286.42x = 129,483,969,651,359.55
  5. Step 5: Solve for x
    x = 129,483,969,651,359.55/16,687,286.42
  6. Step 6: Final answer
    x = 7,759,438.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.