Home / 46,530,013.20-69,826,512.60-20,957,859.60

Finding the Fourth Proportional to 46,530,013.20, 69,826,512.60 and 20,957,859.60

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Solution

The fourth proportional to 46,530,013.20, 69,826,512.60 and 20,957,859.60 is: 31,450,974.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,530,013.20 : 69,826,512.60 = 20,957,859.60 : x
  2. Step 2: Convert to fraction form
    46,530,013.20/69,826,512.60 = 20,957,859.60/x
  3. Step 3: Cross multiply
    46,530,013.20x = 69,826,512.60 × 20,957,859.60
  4. Step 4: Simplify right side
    46,530,013.20x = 1,463,414,247,428,431
  5. Step 5: Solve for x
    x = 1,463,414,247,428,431/46,530,013.20
  6. Step 6: Final answer
    x = 31,450,974.26

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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.