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Finding the Fourth Proportional to 16,610,467.20, 24,915,700.80 and 9,780,028.80

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Solution

The fourth proportional to 16,610,467.20, 24,915,700.80 and 9,780,028.80 is: 14,670,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,610,467.20 : 24,915,700.80 = 9,780,028.80 : x
  2. Step 2: Convert to fraction form
    16,610,467.20/24,915,700.80 = 9,780,028.80/x
  3. Step 3: Cross multiply
    16,610,467.20x = 24,915,700.80 × 9,780,028.80
  4. Step 4: Simplify right side
    16,610,467.20x = 243,676,271,396,183.06
  5. Step 5: Solve for x
    x = 243,676,271,396,183.06/16,610,467.20
  6. Step 6: Final answer
    x = 14,670,043.20

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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.