Home / 12,055,033.78-18,085,041.11-3,968,495.57

Finding the Fourth Proportional to 12,055,033.78, 18,085,041.11 and 3,968,495.57

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Solution

The fourth proportional to 12,055,033.78, 18,085,041.11 and 3,968,495.57 is: 5,953,563.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,055,033.78 : 18,085,041.11 = 3,968,495.57 : x
  2. Step 2: Convert to fraction form
    12,055,033.78/18,085,041.11 = 3,968,495.57/x
  3. Step 3: Cross multiply
    12,055,033.78x = 18,085,041.11 × 3,968,495.57
  4. Step 4: Simplify right side
    12,055,033.78x = 71,770,405,583,436.72
  5. Step 5: Solve for x
    x = 71,770,405,583,436.72/12,055,033.78
  6. Step 6: Final answer
    x = 5,953,563.21

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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.