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Finding the Fourth Proportional to 10,978,040.80, 16,455,251.40 and 4,151,976.40

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Solution

The fourth proportional to 10,978,040.80, 16,455,251.40 and 4,151,976.40 is: 6,223,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,978,040.80 : 16,455,251.40 = 4,151,976.40 : x
  2. Step 2: Convert to fraction form
    10,978,040.80/16,455,251.40 = 4,151,976.40/x
  3. Step 3: Cross multiply
    10,978,040.80x = 16,455,251.40 × 4,151,976.40
  4. Step 4: Simplify right side
    10,978,040.80x = 68,321,815,468,866.96
  5. Step 5: Solve for x
    x = 68,321,815,468,866.96/10,978,040.80
  6. Step 6: Final answer
    x = 6,223,498.05

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