Home / 15,202,449.33-20,979,120.80-8,233,070.40

Finding the Fourth Proportional to 15,202,449.33, 20,979,120.80 and 8,233,070.40

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Solution

The fourth proportional to 15,202,449.33, 20,979,120.80 and 8,233,070.40 is: 11,361,496.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,202,449.33 : 20,979,120.80 = 8,233,070.40 : x
  2. Step 2: Convert to fraction form
    15,202,449.33/20,979,120.80 = 8,233,070.40/x
  3. Step 3: Cross multiply
    15,202,449.33x = 20,979,120.80 × 8,233,070.40
  4. Step 4: Simplify right side
    15,202,449.33x = 172,722,578,435,339
  5. Step 5: Solve for x
    x = 172,722,578,435,339/15,202,449.33
  6. Step 6: Final answer
    x = 11,361,496.74

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1.5x scale

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.