Home / 20,320,450.92-30,485,988.18-11,792,589.48

Finding the Fourth Proportional to 20,320,450.92, 30,485,988.18 and 11,792,589.48

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Solution

The fourth proportional to 20,320,450.92, 30,485,988.18 and 11,792,589.48 is: 17,691,966.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,320,450.92 : 30,485,988.18 = 11,792,589.48 : x
  2. Step 2: Convert to fraction form
    20,320,450.92/30,485,988.18 = 11,792,589.48/x
  3. Step 3: Cross multiply
    20,320,450.92x = 30,485,988.18 × 11,792,589.48
  4. Step 4: Simplify right side
    20,320,450.92x = 359,508,743,498,872.38
  5. Step 5: Solve for x
    x = 359,508,743,498,872.38/20,320,450.92
  6. Step 6: Final answer
    x = 17,691,966.82

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