Home / 25,274,658.42-34,879,198.59-15,485,121.54

Finding the Fourth Proportional to 25,274,658.42, 34,879,198.59 and 15,485,121.54

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Solution

The fourth proportional to 25,274,658.42, 34,879,198.59 and 15,485,121.54 is: 21,369,571.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,274,658.42 : 34,879,198.59 = 15,485,121.54 : x
  2. Step 2: Convert to fraction form
    25,274,658.42/34,879,198.59 = 15,485,121.54/x
  3. Step 3: Cross multiply
    25,274,658.42x = 34,879,198.59 × 15,485,121.54
  4. Step 4: Simplify right side
    25,274,658.42x = 540,108,629,383,946.62
  5. Step 5: Solve for x
    x = 540,108,629,383,946.62/25,274,658.42
  6. Step 6: Final answer
    x = 21,369,571.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.