Home / 18,395,786.20-27,593,679.30-8,806,228.60

Finding the Fourth Proportional to 18,395,786.20, 27,593,679.30 and 8,806,228.60

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Solution

The fourth proportional to 18,395,786.20, 27,593,679.30 and 8,806,228.60 is: 13,209,342.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,395,786.20 : 27,593,679.30 = 8,806,228.60 : x
  2. Step 2: Convert to fraction form
    18,395,786.20/27,593,679.30 = 8,806,228.60/x
  3. Step 3: Cross multiply
    18,395,786.20x = 27,593,679.30 × 8,806,228.60
  4. Step 4: Simplify right side
    18,395,786.20x = 242,996,247,830,887.97
  5. Step 5: Solve for x
    x = 242,996,247,830,887.97/18,395,786.20
  6. Step 6: Final answer
    x = 13,209,342.90

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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.