Home / 13,491,475.92-20,238,631.50-4,394,281.91

Finding the Fourth Proportional to 13,491,475.92, 20,238,631.50 and 4,394,281.91

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Solution

The fourth proportional to 13,491,475.92, 20,238,631.50 and 4,394,281.91 is: 6,591,884.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,491,475.92 : 20,238,631.50 = 4,394,281.91 : x
  2. Step 2: Convert to fraction form
    13,491,475.92/20,238,631.50 = 4,394,281.91/x
  3. Step 3: Cross multiply
    13,491,475.92x = 20,238,631.50 × 4,394,281.91
  4. Step 4: Simplify right side
    13,491,475.92x = 88,934,252,182,413.02
  5. Step 5: Solve for x
    x = 88,934,252,182,413.02/13,491,475.92
  6. Step 6: Final answer
    x = 6,591,884.59

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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.