Home / 15,202,449.95-20,979,121.66-8,233,071.02

Finding the Fourth Proportional to 15,202,449.95, 20,979,121.66 and 8,233,071.02

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Solution

The fourth proportional to 15,202,449.95, 20,979,121.66 and 8,233,071.02 is: 11,361,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,202,449.95 : 20,979,121.66 = 8,233,071.02 : x
  2. Step 2: Convert to fraction form
    15,202,449.95/20,979,121.66 = 8,233,071.02/x
  3. Step 3: Cross multiply
    15,202,449.95x = 20,979,121.66 × 8,233,071.02
  4. Step 4: Simplify right side
    15,202,449.95x = 172,722,598,595,865.41
  5. Step 5: Solve for x
    x = 172,722,598,595,865.41/15,202,449.95
  6. Step 6: Final answer
    x = 11,361,497.60

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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.