Home / 12,929,544.57-19,394,316.66-12,283,013.31

Finding the Fourth Proportional to 12,929,544.57, 19,394,316.66 and 12,283,013.31

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Solution

The fourth proportional to 12,929,544.57, 19,394,316.66 and 12,283,013.31 is: 18,424,519.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929,544.57 : 19,394,316.66 = 12,283,013.31 : x
  2. Step 2: Convert to fraction form
    12,929,544.57/19,394,316.66 = 12,283,013.31/x
  3. Step 3: Cross multiply
    12,929,544.57x = 19,394,316.66 × 12,283,013.31
  4. Step 4: Simplify right side
    12,929,544.57x = 238,220,649,577,375.41
  5. Step 5: Solve for x
    x = 238,220,649,577,375.41/12,929,544.57
  6. Step 6: Final answer
    x = 18,424,519.77

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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.