Home / 12,929,896.88-19,394,942.54-5,739,497.72

Finding the Fourth Proportional to 12,929,896.88, 19,394,942.54 and 5,739,497.72

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Solution

The fourth proportional to 12,929,896.88, 19,394,942.54 and 5,739,497.72 is: 8,609,289.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929,896.88 : 19,394,942.54 = 5,739,497.72 : x
  2. Step 2: Convert to fraction form
    12,929,896.88/19,394,942.54 = 5,739,497.72/x
  3. Step 3: Cross multiply
    12,929,896.88x = 19,394,942.54 × 5,739,497.72
  4. Step 4: Simplify right side
    12,929,896.88x = 111,317,228,362,188.81
  5. Step 5: Solve for x
    x = 111,317,228,362,188.81/12,929,896.88
  6. Step 6: Final answer
    x = 8,609,289.73

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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.