Home / 8,463,949.20-11,682,905.40-5,408,175.60

Finding the Fourth Proportional to 8,463,949.20, 11,682,905.40 and 5,408,175.60

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Solution

The fourth proportional to 8,463,949.20, 11,682,905.40 and 5,408,175.60 is: 7,464,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463,949.20 : 11,682,905.40 = 5,408,175.60 : x
  2. Step 2: Convert to fraction form
    8,463,949.20/11,682,905.40 = 5,408,175.60/x
  3. Step 3: Cross multiply
    8,463,949.20x = 11,682,905.40 × 5,408,175.60
  4. Step 4: Simplify right side
    8,463,949.20x = 63,183,203,921,388.23
  5. Step 5: Solve for x
    x = 63,183,203,921,388.23/8,463,949.20
  6. Step 6: Final answer
    x = 7,464,979.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.