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Finding the Fourth Proportional to 10,328,343, 15,462,597 and 7,780,289.12

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Solution

The fourth proportional to 10,328,343, 15,462,597 and 7,780,289.12 is: 11,647,896.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328,343 : 15,462,597 = 7,780,289.12 : x
  2. Step 2: Convert to fraction form
    10,328,343/15,462,597 = 7,780,289.12/x
  3. Step 3: Cross multiply
    10,328,343x = 15,462,597 × 7,780,289.12
  4. Step 4: Simplify right side
    10,328,343x = 120,303,475,206,044.64
  5. Step 5: Solve for x
    x = 120,303,475,206,044.64/10,328,343
  6. Step 6: Final answer
    x = 11,647,896.98

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