Home / 18,275,896.20-27,413,844.30-15,406,114.80

Finding the Fourth Proportional to 18,275,896.20, 27,413,844.30 and 15,406,114.80

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Solution

The fourth proportional to 18,275,896.20, 27,413,844.30 and 15,406,114.80 is: 23,109,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,275,896.20 : 27,413,844.30 = 15,406,114.80 : x
  2. Step 2: Convert to fraction form
    18,275,896.20/27,413,844.30 = 15,406,114.80/x
  3. Step 3: Cross multiply
    18,275,896.20x = 27,413,844.30 × 15,406,114.80
  4. Step 4: Simplify right side
    18,275,896.20x = 422,340,832,395,125.69
  5. Step 5: Solve for x
    x = 422,340,832,395,125.69/18,275,896.20
  6. Step 6: Final answer
    x = 23,109,172.20

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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.