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Finding the Fourth Proportional to 25,978,344.80, 38,973,046.80 and 8,029,263.20

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Solution

The fourth proportional to 25,978,344.80, 38,973,046.80 and 8,029,263.20 is: 12,045,603.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,978,344.80 : 38,973,046.80 = 8,029,263.20 : x
  2. Step 2: Convert to fraction form
    25,978,344.80/38,973,046.80 = 8,029,263.20/x
  3. Step 3: Cross multiply
    25,978,344.80x = 38,973,046.80 × 8,029,263.20
  4. Step 4: Simplify right side
    25,978,344.80x = 312,924,850,463,117.75
  5. Step 5: Solve for x
    x = 312,924,850,463,117.75/25,978,344.80
  6. Step 6: Final answer
    x = 12,045,603.86

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