Home / 12,831,231.82-19,234,792.05-4,305,589.42

Finding the Fourth Proportional to 12,831,231.82, 19,234,792.05 and 4,305,589.42

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Solution

The fourth proportional to 12,831,231.82, 19,234,792.05 and 4,305,589.42 is: 6,454,338.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831,231.82 : 19,234,792.05 = 4,305,589.42 : x
  2. Step 2: Convert to fraction form
    12,831,231.82/19,234,792.05 = 4,305,589.42/x
  3. Step 3: Cross multiply
    12,831,231.82x = 19,234,792.05 × 4,305,589.42
  4. Step 4: Simplify right side
    12,831,231.82x = 82,817,117,146,380.11
  5. Step 5: Solve for x
    x = 82,817,117,146,380.11/12,831,231.82
  6. Step 6: Final answer
    x = 6,454,338.78

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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.