Home / 12,104,269.20-18,131,520.60-8,322,022.80

Finding the Fourth Proportional to 12,104,269.20, 18,131,520.60 and 8,322,022.80

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Solution

The fourth proportional to 12,104,269.20, 18,131,520.60 and 8,322,022.80 is: 12,465,926.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,104,269.20 : 18,131,520.60 = 8,322,022.80 : x
  2. Step 2: Convert to fraction form
    12,104,269.20/18,131,520.60 = 8,322,022.80/x
  3. Step 3: Cross multiply
    12,104,269.20x = 18,131,520.60 × 8,322,022.80
  4. Step 4: Simplify right side
    12,104,269.20x = 150,890,927,831,869.69
  5. Step 5: Solve for x
    x = 150,890,927,831,869.69/12,104,269.20
  6. Step 6: Final answer
    x = 12,465,926.31

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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.