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Finding the Fourth Proportional to 8,691,007.90, 12,192,605.30 and 8,691,007.90

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Solution

The fourth proportional to 8,691,007.90, 12,192,605.30 and 8,691,007.90 is: 12,192,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691,007.90 : 12,192,605.30 = 8,691,007.90 : x
  2. Step 2: Convert to fraction form
    8,691,007.90/12,192,605.30 = 8,691,007.90/x
  3. Step 3: Cross multiply
    8,691,007.90x = 12,192,605.30 × 8,691,007.90
  4. Step 4: Simplify right side
    8,691,007.90x = 105,966,028,983,881.88
  5. Step 5: Solve for x
    x = 105,966,028,983,881.88/8,691,007.90
  6. Step 6: Final answer
    x = 12,192,605.30

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