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Finding the Fourth Proportional to 13,907,551.80, 20,861,327.70 and 9,656,023.80

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Solution

The fourth proportional to 13,907,551.80, 20,861,327.70 and 9,656,023.80 is: 14,484,035.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,907,551.80 : 20,861,327.70 = 9,656,023.80 : x
  2. Step 2: Convert to fraction form
    13,907,551.80/20,861,327.70 = 9,656,023.80/x
  3. Step 3: Cross multiply
    13,907,551.80x = 20,861,327.70 × 9,656,023.80
  4. Step 4: Simplify right side
    13,907,551.80x = 201,437,476,770,799.28
  5. Step 5: Solve for x
    x = 201,437,476,770,799.28/13,907,551.80
  6. Step 6: Final answer
    x = 14,484,035.70

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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.