Home / 7,990,634.91-11,988,970.43-4,797,979.41

Finding the Fourth Proportional to 7,990,634.91, 11,988,970.43 and 4,797,979.41

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Solution

The fourth proportional to 7,990,634.91, 11,988,970.43 and 4,797,979.41 is: 7,198,781.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990,634.91 : 11,988,970.43 = 4,797,979.41 : x
  2. Step 2: Convert to fraction form
    7,990,634.91/11,988,970.43 = 4,797,979.41/x
  3. Step 3: Cross multiply
    7,990,634.91x = 11,988,970.43 × 4,797,979.41
  4. Step 4: Simplify right side
    7,990,634.91x = 57,522,833,246,248.95
  5. Step 5: Solve for x
    x = 57,522,833,246,248.95/7,990,634.91
  6. Step 6: Final answer
    x = 7,198,781.31

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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.