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Finding the Fourth Proportional to 8,797,813.81, 13,198,786.23 and 2,732,232.49

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Solution

The fourth proportional to 8,797,813.81, 13,198,786.23 and 2,732,232.49 is: 4,098,990.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,797,813.81 : 13,198,786.23 = 2,732,232.49 : x
  2. Step 2: Convert to fraction form
    8,797,813.81/13,198,786.23 = 2,732,232.49/x
  3. Step 3: Cross multiply
    8,797,813.81x = 13,198,786.23 × 2,732,232.49
  4. Step 4: Simplify right side
    8,797,813.81x = 36,062,152,566,170.62
  5. Step 5: Solve for x
    x = 36,062,152,566,170.62/8,797,813.81
  6. Step 6: Final answer
    x = 4,098,990.20

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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.