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Finding the Fourth Proportional to 17,626,642.40, 26,383,976.40 and 12,587,794.40

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Solution

The fourth proportional to 17,626,642.40, 26,383,976.40 and 12,587,794.40 is: 18,841,709.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,626,642.40 : 26,383,976.40 = 12,587,794.40 : x
  2. Step 2: Convert to fraction form
    17,626,642.40/26,383,976.40 = 12,587,794.40/x
  3. Step 3: Cross multiply
    17,626,642.40x = 26,383,976.40 × 12,587,794.40
  4. Step 4: Simplify right side
    17,626,642.40x = 332,116,070,377,652.12
  5. Step 5: Solve for x
    x = 332,116,070,377,652.12/17,626,642.40
  6. Step 6: Final answer
    x = 18,841,709.21

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