Home / 13,412,321.87-20,118,671.42-3,827,701.44

Finding the Fourth Proportional to 13,412,321.87, 20,118,671.42 and 3,827,701.44

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Solution

The fourth proportional to 13,412,321.87, 20,118,671.42 and 3,827,701.44 is: 5,741,605.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,412,321.87 : 20,118,671.42 = 3,827,701.44 : x
  2. Step 2: Convert to fraction form
    13,412,321.87/20,118,671.42 = 3,827,701.44/x
  3. Step 3: Cross multiply
    13,412,321.87x = 20,118,671.42 × 3,827,701.44
  4. Step 4: Simplify right side
    13,412,321.87x = 77,008,267,546,082.33
  5. Step 5: Solve for x
    x = 77,008,267,546,082.33/13,412,321.87
  6. Step 6: Final answer
    x = 5,741,605.99

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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.