Home / 6,781,027.20-10,168,333.20-3,942,009.60

Finding the Fourth Proportional to 6,781,027.20, 10,168,333.20 and 3,942,009.60

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Solution

The fourth proportional to 6,781,027.20, 10,168,333.20 and 3,942,009.60 is: 5,911,149.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781,027.20 : 10,168,333.20 = 3,942,009.60 : x
  2. Step 2: Convert to fraction form
    6,781,027.20/10,168,333.20 = 3,942,009.60/x
  3. Step 3: Cross multiply
    6,781,027.20x = 10,168,333.20 × 3,942,009.60
  4. Step 4: Simplify right side
    6,781,027.20x = 40,083,667,090,398.72
  5. Step 5: Solve for x
    x = 40,083,667,090,398.72/6,781,027.20
  6. Step 6: Final answer
    x = 5,911,149.73

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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.