Home / 12,231,727.80-18,342,926.10-3,709,231.80

Finding the Fourth Proportional to 12,231,727.80, 18,342,926.10 and 3,709,231.80

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Solution

The fourth proportional to 12,231,727.80, 18,342,926.10 and 3,709,231.80 is: 5,562,432.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231,727.80 : 18,342,926.10 = 3,709,231.80 : x
  2. Step 2: Convert to fraction form
    12,231,727.80/18,342,926.10 = 3,709,231.80/x
  3. Step 3: Cross multiply
    12,231,727.80x = 18,342,926.10 × 3,709,231.80
  4. Step 4: Simplify right side
    12,231,727.80x = 68,038,164,795,169.98
  5. Step 5: Solve for x
    x = 68,038,164,795,169.98/12,231,727.80
  6. Step 6: Final answer
    x = 5,562,432.87

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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.