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Finding the Fourth Proportional to 21,978,052.70, 32,904,093.45 and 21,348,196.70

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Solution

The fourth proportional to 21,978,052.70, 32,904,093.45 and 21,348,196.70 is: 31,961,114.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,978,052.70 : 32,904,093.45 = 21,348,196.70 : x
  2. Step 2: Convert to fraction form
    21,978,052.70/32,904,093.45 = 21,348,196.70/x
  3. Step 3: Cross multiply
    21,978,052.70x = 32,904,093.45 × 21,348,196.70
  4. Step 4: Simplify right side
    21,978,052.70x = 702,443,059,205,781.62
  5. Step 5: Solve for x
    x = 702,443,059,205,781.62/21,978,052.70
  6. Step 6: Final answer
    x = 31,961,114.52

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