Home / 12,256,165.80-18,382,280.40-3,734,520.30

Finding the Fourth Proportional to 12,256,165.80, 18,382,280.40 and 3,734,520.30

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Solution

The fourth proportional to 12,256,165.80, 18,382,280.40 and 3,734,520.30 is: 5,601,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256,165.80 : 18,382,280.40 = 3,734,520.30 : x
  2. Step 2: Convert to fraction form
    12,256,165.80/18,382,280.40 = 3,734,520.30/x
  3. Step 3: Cross multiply
    12,256,165.80x = 18,382,280.40 × 3,734,520.30
  4. Step 4: Simplify right side
    12,256,165.80x = 68,648,999,314,092.11
  5. Step 5: Solve for x
    x = 68,648,999,314,092.11/12,256,165.80
  6. Step 6: Final answer
    x = 5,601,180.70

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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.