Home / 8,489,930.80-12,734,896.20-2,424,650.80

Finding the Fourth Proportional to 8,489,930.80, 12,734,896.20 and 2,424,650.80

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Solution

The fourth proportional to 8,489,930.80, 12,734,896.20 and 2,424,650.80 is: 3,636,976.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,489,930.80 : 12,734,896.20 = 2,424,650.80 : x
  2. Step 2: Convert to fraction form
    8,489,930.80/12,734,896.20 = 2,424,650.80/x
  3. Step 3: Cross multiply
    8,489,930.80x = 12,734,896.20 × 2,424,650.80
  4. Step 4: Simplify right side
    8,489,930.80x = 30,877,676,259,246.96
  5. Step 5: Solve for x
    x = 30,877,676,259,246.96/8,489,930.80
  6. Step 6: Final answer
    x = 3,636,976.20

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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.