Home / 8,138,407.44-11,231,018.22-4,831,364.90

Finding the Fourth Proportional to 8,138,407.44, 11,231,018.22 and 4,831,364.90

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Solution

The fourth proportional to 8,138,407.44, 11,231,018.22 and 4,831,364.90 is: 6,667,293.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,138,407.44 : 11,231,018.22 = 4,831,364.90 : x
  2. Step 2: Convert to fraction form
    8,138,407.44/11,231,018.22 = 4,831,364.90/x
  3. Step 3: Cross multiply
    8,138,407.44x = 11,231,018.22 × 4,831,364.90
  4. Step 4: Simplify right side
    8,138,407.44x = 54,261,147,219,368.48
  5. Step 5: Solve for x
    x = 54,261,147,219,368.48/8,138,407.44
  6. Step 6: Final answer
    x = 6,667,293.03

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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.