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Finding the Fourth Proportional to 13,375,978.34, 18,458,958.59 and 7,264,450.58

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Solution

The fourth proportional to 13,375,978.34, 18,458,958.59 and 7,264,450.58 is: 10,025,000.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375,978.34 : 18,458,958.59 = 7,264,450.58 : x
  2. Step 2: Convert to fraction form
    13,375,978.34/18,458,958.59 = 7,264,450.58/x
  3. Step 3: Cross multiply
    13,375,978.34x = 18,458,958.59 × 7,264,450.58
  4. Step 4: Simplify right side
    13,375,978.34x = 134,094,192,306,704.45
  5. Step 5: Solve for x
    x = 134,094,192,306,704.45/13,375,978.34
  6. Step 6: Final answer
    x = 10,025,000.71

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