Home / 18,457,255.15-27,691,797.21-12,923,555.07

Finding the Fourth Proportional to 18,457,255.15, 27,691,797.21 and 12,923,555.07

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Solution

The fourth proportional to 18,457,255.15, 27,691,797.21 and 12,923,555.07 is: 19,389,473.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,457,255.15 : 27,691,797.21 = 12,923,555.07 : x
  2. Step 2: Convert to fraction form
    18,457,255.15/27,691,797.21 = 12,923,555.07/x
  3. Step 3: Cross multiply
    18,457,255.15x = 27,691,797.21 × 12,923,555.07
  4. Step 4: Simplify right side
    18,457,255.15x = 357,876,466,092,248.38
  5. Step 5: Solve for x
    x = 357,876,466,092,248.38/18,457,255.15
  6. Step 6: Final answer
    x = 19,389,473.85

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