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Finding the Fourth Proportional to 11,204,562.60, 16,806,843.90 and 10,814,839.20

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Solution

The fourth proportional to 11,204,562.60, 16,806,843.90 and 10,814,839.20 is: 16,222,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,204,562.60 : 16,806,843.90 = 10,814,839.20 : x
  2. Step 2: Convert to fraction form
    11,204,562.60/16,806,843.90 = 10,814,839.20/x
  3. Step 3: Cross multiply
    11,204,562.60x = 16,806,843.90 × 10,814,839.20
  4. Step 4: Simplify right side
    11,204,562.60x = 181,763,314,238,000.84
  5. Step 5: Solve for x
    x = 181,763,314,238,000.84/11,204,562.60
  6. Step 6: Final answer
    x = 16,222,258.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.