Home / 17,203,145.92-25,820,659.68-8,689,449.76

Finding the Fourth Proportional to 17,203,145.92, 25,820,659.68 and 8,689,449.76

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Solution

The fourth proportional to 17,203,145.92, 25,820,659.68 and 8,689,449.76 is: 13,042,226.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,203,145.92 : 25,820,659.68 = 8,689,449.76 : x
  2. Step 2: Convert to fraction form
    17,203,145.92/25,820,659.68 = 8,689,449.76/x
  3. Step 3: Cross multiply
    17,203,145.92x = 25,820,659.68 × 8,689,449.76
  4. Step 4: Simplify right side
    17,203,145.92x = 224,367,325,059,417.66
  5. Step 5: Solve for x
    x = 224,367,325,059,417.66/17,203,145.92
  6. Step 6: Final answer
    x = 13,042,226.47

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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.