Home / 18,681,855.21-28,023,965.42-7,897,145.85

Finding the Fourth Proportional to 18,681,855.21, 28,023,965.42 and 7,897,145.85

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Solution

The fourth proportional to 18,681,855.21, 28,023,965.42 and 7,897,145.85 is: 11,846,218.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,681,855.21 : 28,023,965.42 = 7,897,145.85 : x
  2. Step 2: Convert to fraction form
    18,681,855.21/28,023,965.42 = 7,897,145.85/x
  3. Step 3: Cross multiply
    18,681,855.21x = 28,023,965.42 × 7,897,145.85
  4. Step 4: Simplify right side
    18,681,855.21x = 221,309,342,177,610.75
  5. Step 5: Solve for x
    x = 221,309,342,177,610.75/18,681,855.21
  6. Step 6: Final answer
    x = 11,846,218.68

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