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Finding the Fourth Proportional to 31,978,351.04, 47,956,785.65 and 10,407,879.93

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Solution

The fourth proportional to 31,978,351.04, 47,956,785.65 and 10,407,879.93 is: 15,608,324.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,978,351.04 : 47,956,785.65 = 10,407,879.93 : x
  2. Step 2: Convert to fraction form
    31,978,351.04/47,956,785.65 = 10,407,879.93/x
  3. Step 3: Cross multiply
    31,978,351.04x = 47,956,785.65 × 10,407,879.93
  4. Step 4: Simplify right side
    31,978,351.04x = 499,128,466,821,907.62
  5. Step 5: Solve for x
    x = 499,128,466,821,907.62/31,978,351.04
  6. Step 6: Final answer
    x = 15,608,324.09

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Why These Related Problems?

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