Home / 20,361,466.87-28,107,882.06-12,104,202.33

Finding the Fourth Proportional to 20,361,466.87, 28,107,882.06 and 12,104,202.33

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Solution

The fourth proportional to 20,361,466.87, 28,107,882.06 and 12,104,202.33 is: 16,709,183.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,361,466.87 : 28,107,882.06 = 12,104,202.33 : x
  2. Step 2: Convert to fraction form
    20,361,466.87/28,107,882.06 = 12,104,202.33/x
  3. Step 3: Cross multiply
    20,361,466.87x = 28,107,882.06 × 12,104,202.33
  4. Step 4: Simplify right side
    20,361,466.87x = 340,223,491,476,626.44
  5. Step 5: Solve for x
    x = 340,223,491,476,626.44/20,361,466.87
  6. Step 6: Final answer
    x = 16,709,183.76

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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.