Home / 12,394,496.20-18,591,744.30-8,363,417.80

Finding the Fourth Proportional to 12,394,496.20, 18,591,744.30 and 8,363,417.80

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Solution

The fourth proportional to 12,394,496.20, 18,591,744.30 and 8,363,417.80 is: 12,545,126.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394,496.20 : 18,591,744.30 = 8,363,417.80 : x
  2. Step 2: Convert to fraction form
    12,394,496.20/18,591,744.30 = 8,363,417.80/x
  3. Step 3: Cross multiply
    12,394,496.20x = 18,591,744.30 × 8,363,417.80
  4. Step 4: Simplify right side
    12,394,496.20x = 155,490,525,211,668.53
  5. Step 5: Solve for x
    x = 155,490,525,211,668.53/12,394,496.20
  6. Step 6: Final answer
    x = 12,545,126.70

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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.