Home / 11,880,793.80-17,821,190.70-9,489,309.30

Finding the Fourth Proportional to 11,880,793.80, 17,821,190.70 and 9,489,309.30

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Solution

The fourth proportional to 11,880,793.80, 17,821,190.70 and 9,489,309.30 is: 14,233,963.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880,793.80 : 17,821,190.70 = 9,489,309.30 : x
  2. Step 2: Convert to fraction form
    11,880,793.80/17,821,190.70 = 9,489,309.30/x
  3. Step 3: Cross multiply
    11,880,793.80x = 17,821,190.70 × 9,489,309.30
  4. Step 4: Simplify right side
    11,880,793.80x = 169,110,790,646,583.53
  5. Step 5: Solve for x
    x = 169,110,790,646,583.53/11,880,793.80
  6. Step 6: Final answer
    x = 14,233,963.95

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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.