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Finding the Fourth Proportional to 26,471,868.80, 36,985,033.60 and 26,471,868.80

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Solution

The fourth proportional to 26,471,868.80, 36,985,033.60 and 26,471,868.80 is: 36,985,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,471,868.80 : 36,985,033.60 = 26,471,868.80 : x
  2. Step 2: Convert to fraction form
    26,471,868.80/36,985,033.60 = 26,471,868.80/x
  3. Step 3: Cross multiply
    26,471,868.80x = 36,985,033.60 × 26,471,868.80
  4. Step 4: Simplify right side
    26,471,868.80x = 979,062,957,022,791.75
  5. Step 5: Solve for x
    x = 979,062,957,022,791.75/26,471,868.80
  6. Step 6: Final answer
    x = 36,985,033.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.