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Finding the Fourth Proportional to 11,978,003.70, 17,967,005.55 and 4,785,981.30

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Solution

The fourth proportional to 11,978,003.70, 17,967,005.55 and 4,785,981.30 is: 7,178,971.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,978,003.70 : 17,967,005.55 = 4,785,981.30 : x
  2. Step 2: Convert to fraction form
    11,978,003.70/17,967,005.55 = 4,785,981.30/x
  3. Step 3: Cross multiply
    11,978,003.70x = 17,967,005.55 × 4,785,981.30
  4. Step 4: Simplify right side
    11,978,003.70x = 85,989,752,579,296.22
  5. Step 5: Solve for x
    x = 85,989,752,579,296.22/11,978,003.70
  6. Step 6: Final answer
    x = 7,178,971.95

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Why These Related Problems?

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