Home / 18,018,697.80-27,028,046.70-16,814,098.20

Finding the Fourth Proportional to 18,018,697.80, 27,028,046.70 and 16,814,098.20

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Solution

The fourth proportional to 18,018,697.80, 27,028,046.70 and 16,814,098.20 is: 25,221,147.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018,697.80 : 27,028,046.70 = 16,814,098.20 : x
  2. Step 2: Convert to fraction form
    18,018,697.80/27,028,046.70 = 16,814,098.20/x
  3. Step 3: Cross multiply
    18,018,697.80x = 27,028,046.70 × 16,814,098.20
  4. Step 4: Simplify right side
    18,018,697.80x = 454,452,231,367,985.94
  5. Step 5: Solve for x
    x = 454,452,231,367,985.94/18,018,697.80
  6. Step 6: Final answer
    x = 25,221,147.30

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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.