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Finding the Fourth Proportional to 13,899,950.22, 20,850,048.35 and 5,707,098.30

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Solution

The fourth proportional to 13,899,950.22, 20,850,048.35 and 5,707,098.30 is: 8,560,697.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899,950.22 : 20,850,048.35 = 5,707,098.30 : x
  2. Step 2: Convert to fraction form
    13,899,950.22/20,850,048.35 = 5,707,098.30/x
  3. Step 3: Cross multiply
    13,899,950.22x = 20,850,048.35 × 5,707,098.30
  4. Step 4: Simplify right side
    13,899,950.22x = 118,993,275,493,202.81
  5. Step 5: Solve for x
    x = 118,993,275,493,202.81/13,899,950.22
  6. Step 6: Final answer
    x = 8,560,697.96

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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.