Home / 18,395,791.20-27,593,686.80-8,806,233.60

Finding the Fourth Proportional to 18,395,791.20, 27,593,686.80 and 8,806,233.60

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Solution

The fourth proportional to 18,395,791.20, 27,593,686.80 and 8,806,233.60 is: 13,209,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,395,791.20 : 27,593,686.80 = 8,806,233.60 : x
  2. Step 2: Convert to fraction form
    18,395,791.20/27,593,686.80 = 8,806,233.60/x
  3. Step 3: Cross multiply
    18,395,791.20x = 27,593,686.80 × 8,806,233.60
  4. Step 4: Simplify right side
    18,395,791.20x = 242,996,451,846,036.47
  5. Step 5: Solve for x
    x = 242,996,451,846,036.47/18,395,791.20
  6. Step 6: Final answer
    x = 13,209,350.40

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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.