Home / 13,741,408.80-20,619,986.40-5,227,855.20

Finding the Fourth Proportional to 13,741,408.80, 20,619,986.40 and 5,227,855.20

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Solution

The fourth proportional to 13,741,408.80, 20,619,986.40 and 5,227,855.20 is: 7,844,778.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741,408.80 : 20,619,986.40 = 5,227,855.20 : x
  2. Step 2: Convert to fraction form
    13,741,408.80/20,619,986.40 = 5,227,855.20/x
  3. Step 3: Cross multiply
    13,741,408.80x = 20,619,986.40 × 5,227,855.20
  4. Step 4: Simplify right side
    13,741,408.80x = 107,798,303,125,169.28
  5. Step 5: Solve for x
    x = 107,798,303,125,169.28/13,741,408.80
  6. Step 6: Final answer
    x = 7,844,778.12

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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.