Home / 12,177,930-18,265,320.24-5,792,239.92

Finding the Fourth Proportional to 12,177,930, 18,265,320.24 and 5,792,239.92

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Solution

The fourth proportional to 12,177,930, 18,265,320.24 and 5,792,239.92 is: 8,687,610.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177,930 : 18,265,320.24 = 5,792,239.92 : x
  2. Step 2: Convert to fraction form
    12,177,930/18,265,320.24 = 5,792,239.92/x
  3. Step 3: Cross multiply
    12,177,930x = 18,265,320.24 × 5,792,239.92
  4. Step 4: Simplify right side
    12,177,930x = 105,797,117,045,711.97
  5. Step 5: Solve for x
    x = 105,797,117,045,711.97/12,177,930
  6. Step 6: Final answer
    x = 8,687,610.87

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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.