Home / 18,221,892.80-27,332,867.21-7,297,002.20

Finding the Fourth Proportional to 18,221,892.80, 27,332,867.21 and 7,297,002.20

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Solution

The fourth proportional to 18,221,892.80, 27,332,867.21 and 7,297,002.20 is: 10,945,514.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,221,892.80 : 27,332,867.21 = 7,297,002.20 : x
  2. Step 2: Convert to fraction form
    18,221,892.80/27,332,867.21 = 7,297,002.20/x
  3. Step 3: Cross multiply
    18,221,892.80x = 27,332,867.21 × 7,297,002.20
  4. Step 4: Simplify right side
    18,221,892.80x = 199,447,992,127,192.84
  5. Step 5: Solve for x
    x = 199,447,992,127,192.84/18,221,892.80
  6. Step 6: Final answer
    x = 10,945,514.51

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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.