Home / 7,990,637.91-11,988,974.93-4,797,982.41

Finding the Fourth Proportional to 7,990,637.91, 11,988,974.93 and 4,797,982.41

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Solution

The fourth proportional to 7,990,637.91, 11,988,974.93 and 4,797,982.41 is: 7,198,785.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990,637.91 : 11,988,974.93 = 4,797,982.41 : x
  2. Step 2: Convert to fraction form
    7,990,637.91/11,988,974.93 = 4,797,982.41/x
  3. Step 3: Cross multiply
    7,990,637.91x = 11,988,974.93 × 4,797,982.41
  4. Step 4: Simplify right side
    7,990,637.91x = 57,522,890,804,081.08
  5. Step 5: Solve for x
    x = 57,522,890,804,081.08/7,990,637.91
  6. Step 6: Final answer
    x = 7,198,785.81

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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.