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Finding the Fourth Proportional to 10,051,340.45, 15,067,978.36 and 3,981,978.05

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Solution

The fourth proportional to 10,051,340.45, 15,067,978.36 and 3,981,978.05 is: 5,969,388.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,051,340.45 : 15,067,978.36 = 3,981,978.05 : x
  2. Step 2: Convert to fraction form
    10,051,340.45/15,067,978.36 = 3,981,978.05/x
  3. Step 3: Cross multiply
    10,051,340.45x = 15,067,978.36 × 3,981,978.05
  4. Step 4: Simplify right side
    10,051,340.45x = 60,000,359,002,100.16
  5. Step 5: Solve for x
    x = 60,000,359,002,100.16/10,051,340.45
  6. Step 6: Final answer
    x = 5,969,388.79

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Why These Related Problems?

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