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Finding the Fourth Proportional to 16,612,794.80, 24,923,857.80 and 8,093,409.20

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Solution

The fourth proportional to 16,612,794.80, 24,923,857.80 and 8,093,409.20 is: 12,142,386.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,612,794.80 : 24,923,857.80 = 8,093,409.20 : x
  2. Step 2: Convert to fraction form
    16,612,794.80/24,923,857.80 = 8,093,409.20/x
  3. Step 3: Cross multiply
    16,612,794.80x = 24,923,857.80 × 8,093,409.20
  4. Step 4: Simplify right side
    16,612,794.80x = 201,718,980,018,011.78
  5. Step 5: Solve for x
    x = 201,718,980,018,011.78/16,612,794.80
  6. Step 6: Final answer
    x = 12,142,386.78

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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.