Home / 12,522,745.45-18,783,850.75-3,424,843.07

Finding the Fourth Proportional to 12,522,745.45, 18,783,850.75 and 3,424,843.07

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Solution

The fourth proportional to 12,522,745.45, 18,783,850.75 and 3,424,843.07 is: 5,137,191.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,522,745.45 : 18,783,850.75 = 3,424,843.07 : x
  2. Step 2: Convert to fraction form
    12,522,745.45/18,783,850.75 = 3,424,843.07/x
  3. Step 3: Cross multiply
    12,522,745.45x = 18,783,850.75 × 3,424,843.07
  4. Step 4: Simplify right side
    12,522,745.45x = 64,331,740,966,570.44
  5. Step 5: Solve for x
    x = 64,331,740,966,570.44/12,522,745.45
  6. Step 6: Final answer
    x = 5,137,191.46

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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.