Home / 12,929,893.88-19,394,938.04-5,739,494.72

Finding the Fourth Proportional to 12,929,893.88, 19,394,938.04 and 5,739,494.72

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Solution

The fourth proportional to 12,929,893.88, 19,394,938.04 and 5,739,494.72 is: 8,609,285.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929,893.88 : 19,394,938.04 = 5,739,494.72 : x
  2. Step 2: Convert to fraction form
    12,929,893.88/19,394,938.04 = 5,739,494.72/x
  3. Step 3: Cross multiply
    12,929,893.88x = 19,394,938.04 × 5,739,494.72
  4. Step 4: Simplify right side
    12,929,893.88x = 111,317,144,349,634.98
  5. Step 5: Solve for x
    x = 111,317,144,349,634.98/12,929,893.88
  6. Step 6: Final answer
    x = 8,609,285.23

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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.