Home / 8,325,749.82-12,489,481.14-3,142,725.12

Finding the Fourth Proportional to 8,325,749.82, 12,489,481.14 and 3,142,725.12

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Solution

The fourth proportional to 8,325,749.82, 12,489,481.14 and 3,142,725.12 is: 4,714,410.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325,749.82 : 12,489,481.14 = 3,142,725.12 : x
  2. Step 2: Convert to fraction form
    8,325,749.82/12,489,481.14 = 3,142,725.12/x
  3. Step 3: Cross multiply
    8,325,749.82x = 12,489,481.14 × 3,142,725.12
  4. Step 4: Simplify right side
    8,325,749.82x = 39,251,006,114,444.24
  5. Step 5: Solve for x
    x = 39,251,006,114,444.24/8,325,749.82
  6. Step 6: Final answer
    x = 4,714,410.95

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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.