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Finding the Fourth Proportional to 13,823,998.40, 20,735,997.60 and 8,760,267.20

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Solution

The fourth proportional to 13,823,998.40, 20,735,997.60 and 8,760,267.20 is: 13,140,400.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,823,998.40 : 20,735,997.60 = 8,760,267.20 : x
  2. Step 2: Convert to fraction form
    13,823,998.40/20,735,997.60 = 8,760,267.20/x
  3. Step 3: Cross multiply
    13,823,998.40x = 20,735,997.60 × 8,760,267.20
  4. Step 4: Simplify right side
    13,823,998.40x = 181,652,879,634,558.72
  5. Step 5: Solve for x
    x = 181,652,879,634,558.72/13,823,998.40
  6. Step 6: Final answer
    x = 13,140,400.80

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