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Finding the Fourth Proportional to 8,143,561.60, 12,216,724.80 and 2,463,740.80

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Solution

The fourth proportional to 8,143,561.60, 12,216,724.80 and 2,463,740.80 is: 3,696,029.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,561.60 : 12,216,724.80 = 2,463,740.80 : x
  2. Step 2: Convert to fraction form
    8,143,561.60/12,216,724.80 = 2,463,740.80/x
  3. Step 3: Cross multiply
    8,143,561.60x = 12,216,724.80 × 2,463,740.80
  4. Step 4: Simplify right side
    8,143,561.60x = 30,098,843,332,131.84
  5. Step 5: Solve for x
    x = 30,098,843,332,131.84/8,143,561.60
  6. Step 6: Final answer
    x = 3,696,029.43

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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.