Home / 8,325,749.82-12,489,481.16-3,142,725.10

Finding the Fourth Proportional to 8,325,749.82, 12,489,481.16 and 3,142,725.10

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Solution

The fourth proportional to 8,325,749.82, 12,489,481.16 and 3,142,725.10 is: 4,714,410.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325,749.82 : 12,489,481.16 = 3,142,725.10 : x
  2. Step 2: Convert to fraction form
    8,325,749.82/12,489,481.16 = 3,142,725.10/x
  3. Step 3: Cross multiply
    8,325,749.82x = 12,489,481.16 × 3,142,725.10
  4. Step 4: Simplify right side
    8,325,749.82x = 39,251,005,927,509.12
  5. Step 5: Solve for x
    x = 39,251,005,927,509.12/8,325,749.82
  6. Step 6: Final answer
    x = 4,714,410.93

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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.