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Finding the Fourth Proportional to 9,978,694.64, 14,961,606.59 and 3,914,039.45

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Solution

The fourth proportional to 9,978,694.64, 14,961,606.59 and 3,914,039.45 is: 5,868,534.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,978,694.64 : 14,961,606.59 = 3,914,039.45 : x
  2. Step 2: Convert to fraction form
    9,978,694.64/14,961,606.59 = 3,914,039.45/x
  3. Step 3: Cross multiply
    9,978,694.64x = 14,961,606.59 × 3,914,039.45
  4. Step 4: Simplify right side
    9,978,694.64x = 58,560,318,433,749.57
  5. Step 5: Solve for x
    x = 58,560,318,433,749.57/9,978,694.64
  6. Step 6: Final answer
    x = 5,868,534.97

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