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Finding the Fourth Proportional to 28,978,286.04, 43,468,917.54 and 7,413,074.52

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Solution

The fourth proportional to 28,978,286.04, 43,468,917.54 and 7,413,074.52 is: 11,119,992.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,978,286.04 : 43,468,917.54 = 7,413,074.52 : x
  2. Step 2: Convert to fraction form
    28,978,286.04/43,468,917.54 = 7,413,074.52/x
  3. Step 3: Cross multiply
    28,978,286.04x = 43,468,917.54 × 7,413,074.52
  4. Step 4: Simplify right side
    28,978,286.04x = 322,238,325,027,755.06
  5. Step 5: Solve for x
    x = 322,238,325,027,755.06/28,978,286.04
  6. Step 6: Final answer
    x = 11,119,992.56

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