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Finding the Fourth Proportional to 11,978,230.40, 17,967,345.60 and 3,458,844.80

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Solution

The fourth proportional to 11,978,230.40, 17,967,345.60 and 3,458,844.80 is: 5,188,267.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,978,230.40 : 17,967,345.60 = 3,458,844.80 : x
  2. Step 2: Convert to fraction form
    11,978,230.40/17,967,345.60 = 3,458,844.80/x
  3. Step 3: Cross multiply
    11,978,230.40x = 17,967,345.60 × 3,458,844.80
  4. Step 4: Simplify right side
    11,978,230.40x = 62,146,259,898,362.88
  5. Step 5: Solve for x
    x = 62,146,259,898,362.88/11,978,230.40
  6. Step 6: Final answer
    x = 5,188,267.20

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Why These Related Problems?

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