Home / 7,254,841.91-10,011,475.39-3,991,658.86

Finding the Fourth Proportional to 7,254,841.91, 10,011,475.39 and 3,991,658.86

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Solution

The fourth proportional to 7,254,841.91, 10,011,475.39 and 3,991,658.86 is: 5,508,375.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,254,841.91 : 10,011,475.39 = 3,991,658.86 : x
  2. Step 2: Convert to fraction form
    7,254,841.91/10,011,475.39 = 3,991,658.86/x
  3. Step 3: Cross multiply
    7,254,841.91x = 10,011,475.39 × 3,991,658.86
  4. Step 4: Simplify right side
    7,254,841.91x = 39,962,394,372,149.78
  5. Step 5: Solve for x
    x = 39,962,394,372,149.78/7,254,841.91
  6. Step 6: Final answer
    x = 5,508,375.63

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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.