Home / 8,138,406.44-11,231,016.84-4,831,363.90

Finding the Fourth Proportional to 8,138,406.44, 11,231,016.84 and 4,831,363.90

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Solution

The fourth proportional to 8,138,406.44, 11,231,016.84 and 4,831,363.90 is: 6,667,291.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,138,406.44 : 11,231,016.84 = 4,831,363.90 : x
  2. Step 2: Convert to fraction form
    8,138,406.44/11,231,016.84 = 4,831,363.90/x
  3. Step 3: Cross multiply
    8,138,406.44x = 11,231,016.84 × 4,831,363.90
  4. Step 4: Simplify right side
    8,138,406.44x = 54,261,129,263,213.30
  5. Step 5: Solve for x
    x = 54,261,129,263,213.30/8,138,406.44
  6. Step 6: Final answer
    x = 6,667,291.64

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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.