Home / 18,378,037.20-27,567,055.80-7,591,753.20

Finding the Fourth Proportional to 18,378,037.20, 27,567,055.80 and 7,591,753.20

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Solution

The fourth proportional to 18,378,037.20, 27,567,055.80 and 7,591,753.20 is: 11,387,629.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,378,037.20 : 27,567,055.80 = 7,591,753.20 : x
  2. Step 2: Convert to fraction form
    18,378,037.20/27,567,055.80 = 7,591,753.20/x
  3. Step 3: Cross multiply
    18,378,037.20x = 27,567,055.80 × 7,591,753.20
  4. Step 4: Simplify right side
    18,378,037.20x = 209,282,284,084,228.56
  5. Step 5: Solve for x
    x = 209,282,284,084,228.56/18,378,037.20
  6. Step 6: Final answer
    x = 11,387,629.80

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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.