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Finding the Fourth Proportional to 20,241,978.45, 27,934,596.42 and 11,074,411.41

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Solution

The fourth proportional to 20,241,978.45, 27,934,596.42 and 11,074,411.41 is: 15,283,052.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,241,978.45 : 27,934,596.42 = 11,074,411.41 : x
  2. Step 2: Convert to fraction form
    20,241,978.45/27,934,596.42 = 11,074,411.41/x
  3. Step 3: Cross multiply
    20,241,978.45x = 27,934,596.42 × 11,074,411.41
  4. Step 4: Simplify right side
    20,241,978.45x = 309,359,213,327,393.19
  5. Step 5: Solve for x
    x = 309,359,213,327,393.19/20,241,978.45
  6. Step 6: Final answer
    x = 15,283,052.20

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