Home / 12,831,230.82-19,234,790.55-4,305,588.42

Finding the Fourth Proportional to 12,831,230.82, 19,234,790.55 and 4,305,588.42

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Solution

The fourth proportional to 12,831,230.82, 19,234,790.55 and 4,305,588.42 is: 6,454,337.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831,230.82 : 19,234,790.55 = 4,305,588.42 : x
  2. Step 2: Convert to fraction form
    12,831,230.82/19,234,790.55 = 4,305,588.42/x
  3. Step 3: Cross multiply
    12,831,230.82x = 19,234,790.55 × 4,305,588.42
  4. Step 4: Simplify right side
    12,831,230.82x = 82,817,091,453,205.44
  5. Step 5: Solve for x
    x = 82,817,091,453,205.44/12,831,230.82
  6. Step 6: Final answer
    x = 6,454,337.28

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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.