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Finding the Fourth Proportional to 14,978,961.91, 20,670,765.73 and 8,363,653.03

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Solution

The fourth proportional to 14,978,961.91, 20,670,765.73 and 8,363,653.03 is: 11,541,728.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,978,961.91 : 20,670,765.73 = 8,363,653.03 : x
  2. Step 2: Convert to fraction form
    14,978,961.91/20,670,765.73 = 8,363,653.03/x
  3. Step 3: Cross multiply
    14,978,961.91x = 20,670,765.73 × 8,363,653.03
  4. Step 4: Simplify right side
    14,978,961.91x = 172,883,112,430,134.66
  5. Step 5: Solve for x
    x = 172,883,112,430,134.66/14,978,961.91
  6. Step 6: Final answer
    x = 11,541,728.56

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Why These Related Problems?

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