Home / 13,469,516-20,209,293.48-8,082,033.20

Finding the Fourth Proportional to 13,469,516, 20,209,293.48 and 8,082,033.20

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Solution

The fourth proportional to 13,469,516, 20,209,293.48 and 8,082,033.20 is: 12,126,061.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469,516 : 20,209,293.48 = 8,082,033.20 : x
  2. Step 2: Convert to fraction form
    13,469,516/20,209,293.48 = 8,082,033.20/x
  3. Step 3: Cross multiply
    13,469,516x = 20,209,293.48 × 8,082,033.20
  4. Step 4: Simplify right side
    13,469,516x = 163,332,180,853,903.53
  5. Step 5: Solve for x
    x = 163,332,180,853,903.53/13,469,516
  6. Step 6: Final answer
    x = 12,126,061.61

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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.