Home / 12,820,518.36-19,231,773.42-3,722,766.12

Finding the Fourth Proportional to 12,820,518.36, 19,231,773.42 and 3,722,766.12

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Solution

The fourth proportional to 12,820,518.36, 19,231,773.42 and 3,722,766.12 is: 5,584,438.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,820,518.36 : 19,231,773.42 = 3,722,766.12 : x
  2. Step 2: Convert to fraction form
    12,820,518.36/19,231,773.42 = 3,722,766.12/x
  3. Step 3: Cross multiply
    12,820,518.36x = 19,231,773.42 × 3,722,766.12
  4. Step 4: Simplify right side
    12,820,518.36x = 71,595,394,515,492.55
  5. Step 5: Solve for x
    x = 71,595,394,515,492.55/12,820,518.36
  6. Step 6: Final answer
    x = 5,584,438.36

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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.