Home / 15,088,793.92-20,823,005.52-8,213,734.24

Finding the Fourth Proportional to 15,088,793.92, 20,823,005.52 and 8,213,734.24

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Solution

The fourth proportional to 15,088,793.92, 20,823,005.52 and 8,213,734.24 is: 11,335,209.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,088,793.92 : 20,823,005.52 = 8,213,734.24 : x
  2. Step 2: Convert to fraction form
    15,088,793.92/20,823,005.52 = 8,213,734.24/x
  3. Step 3: Cross multiply
    15,088,793.92x = 20,823,005.52 × 8,213,734.24
  4. Step 4: Simplify right side
    15,088,793.92x = 171,034,633,419,333
  5. Step 5: Solve for x
    x = 171,034,633,419,333/15,088,793.92
  6. Step 6: Final answer
    x = 11,335,209.05

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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.