Home / 12,929,896.89-19,394,942.55-5,739,497.73

Finding the Fourth Proportional to 12,929,896.89, 19,394,942.55 and 5,739,497.73

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Solution

The fourth proportional to 12,929,896.89, 19,394,942.55 and 5,739,497.73 is: 8,609,289.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929,896.89 : 19,394,942.55 = 5,739,497.73 : x
  2. Step 2: Convert to fraction form
    12,929,896.89/19,394,942.55 = 5,739,497.73/x
  3. Step 3: Cross multiply
    12,929,896.89x = 19,394,942.55 × 5,739,497.73
  4. Step 4: Simplify right side
    12,929,896.89x = 111,317,228,739,205.42
  5. Step 5: Solve for x
    x = 111,317,228,739,205.42/12,929,896.89
  6. Step 6: Final answer
    x = 8,609,289.75

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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.