Home / 20,992,199.26-31,488,797.14-5,639,508.50

Finding the Fourth Proportional to 20,992,199.26, 31,488,797.14 and 5,639,508.50

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Solution

The fourth proportional to 20,992,199.26, 31,488,797.14 and 5,639,508.50 is: 8,459,396.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,992,199.26 : 31,488,797.14 = 5,639,508.50 : x
  2. Step 2: Convert to fraction form
    20,992,199.26/31,488,797.14 = 5,639,508.50/x
  3. Step 3: Cross multiply
    20,992,199.26x = 31,488,797.14 × 5,639,508.50
  4. Step 4: Simplify right side
    20,992,199.26x = 177,581,339,125,805.69
  5. Step 5: Solve for x
    x = 177,581,339,125,805.69/20,992,199.26
  6. Step 6: Final answer
    x = 8,459,396.60

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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.