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Finding the Fourth Proportional to 10,978,053.80, 16,455,270.90 and 4,151,989.40

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Solution

The fourth proportional to 10,978,053.80, 16,455,270.90 and 4,151,989.40 is: 6,223,517.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,978,053.80 : 16,455,270.90 = 4,151,989.40 : x
  2. Step 2: Convert to fraction form
    10,978,053.80/16,455,270.90 = 4,151,989.40/x
  3. Step 3: Cross multiply
    10,978,053.80x = 16,455,270.90 × 4,151,989.40
  4. Step 4: Simplify right side
    10,978,053.80x = 68,322,110,350,928.46
  5. Step 5: Solve for x
    x = 68,322,110,350,928.46/10,978,053.80
  6. Step 6: Final answer
    x = 6,223,517.54

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