Home / 8,519,013.11-12,782,510.07-4,198,708.17

Finding the Fourth Proportional to 8,519,013.11, 12,782,510.07 and 4,198,708.17

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Solution

The fourth proportional to 8,519,013.11, 12,782,510.07 and 4,198,708.17 is: 6,300,028.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519,013.11 : 12,782,510.07 = 4,198,708.17 : x
  2. Step 2: Convert to fraction form
    8,519,013.11/12,782,510.07 = 4,198,708.17/x
  3. Step 3: Cross multiply
    8,519,013.11x = 12,782,510.07 × 4,198,708.17
  4. Step 4: Simplify right side
    8,519,013.11x = 53,670,029,464,016.27
  5. Step 5: Solve for x
    x = 53,670,029,464,016.27/8,519,013.11
  6. Step 6: Final answer
    x = 6,300,028.98

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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.