Home / 12,292,234.40-18,438,351.60-11,074,512.80

Finding the Fourth Proportional to 12,292,234.40, 18,438,351.60 and 11,074,512.80

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Solution

The fourth proportional to 12,292,234.40, 18,438,351.60 and 11,074,512.80 is: 16,611,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292,234.40 : 18,438,351.60 = 11,074,512.80 : x
  2. Step 2: Convert to fraction form
    12,292,234.40/18,438,351.60 = 11,074,512.80/x
  3. Step 3: Cross multiply
    12,292,234.40x = 18,438,351.60 × 11,074,512.80
  4. Step 4: Simplify right side
    12,292,234.40x = 204,195,760,805,100.50
  5. Step 5: Solve for x
    x = 204,195,760,805,100.50/12,292,234.40
  6. Step 6: Final answer
    x = 16,611,769.20

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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.