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Finding the Fourth Proportional to 16,640,857.60, 24,961,286.40 and 14,089,940.80

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Solution

The fourth proportional to 16,640,857.60, 24,961,286.40 and 14,089,940.80 is: 21,134,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,640,857.60 : 24,961,286.40 = 14,089,940.80 : x
  2. Step 2: Convert to fraction form
    16,640,857.60/24,961,286.40 = 14,089,940.80/x
  3. Step 3: Cross multiply
    16,640,857.60x = 24,961,286.40 × 14,089,940.80
  4. Step 4: Simplify right side
    16,640,857.60x = 351,703,047,667,845.12
  5. Step 5: Solve for x
    x = 351,703,047,667,845.12/16,640,857.60
  6. Step 6: Final answer
    x = 21,134,911.20

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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.