Home / 18,441,100.20-27,661,650.30-17,909,659.20

Finding the Fourth Proportional to 18,441,100.20, 27,661,650.30 and 17,909,659.20

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Solution

The fourth proportional to 18,441,100.20, 27,661,650.30 and 17,909,659.20 is: 26,864,488.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441,100.20 : 27,661,650.30 = 17,909,659.20 : x
  2. Step 2: Convert to fraction form
    18,441,100.20/27,661,650.30 = 17,909,659.20/x
  3. Step 3: Cross multiply
    18,441,100.20x = 27,661,650.30 × 17,909,659.20
  4. Step 4: Simplify right side
    18,441,100.20x = 495,410,729,782,577.75
  5. Step 5: Solve for x
    x = 495,410,729,782,577.75/18,441,100.20
  6. Step 6: Final answer
    x = 26,864,488.80

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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.