Home / 18,216,659.13-27,320,958.03-5,259,997.36

Finding the Fourth Proportional to 18,216,659.13, 27,320,958.03 and 5,259,997.36

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Solution

The fourth proportional to 18,216,659.13, 27,320,958.03 and 5,259,997.36 is: 7,888,832.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216,659.13 : 27,320,958.03 = 5,259,997.36 : x
  2. Step 2: Convert to fraction form
    18,216,659.13/27,320,958.03 = 5,259,997.36/x
  3. Step 3: Cross multiply
    18,216,659.13x = 27,320,958.03 × 5,259,997.36
  4. Step 4: Simplify right side
    18,216,659.13x = 143,708,167,211,604.97
  5. Step 5: Solve for x
    x = 143,708,167,211,604.97/18,216,659.13
  6. Step 6: Final answer
    x = 7,888,832.21

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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.