Home / 15,986,306.23-22,061,087.04-8,644,121.80

Finding the Fourth Proportional to 15,986,306.23, 22,061,087.04 and 8,644,121.80

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Solution

The fourth proportional to 15,986,306.23, 22,061,087.04 and 8,644,121.80 is: 11,928,879.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986,306.23 : 22,061,087.04 = 8,644,121.80 : x
  2. Step 2: Convert to fraction form
    15,986,306.23/22,061,087.04 = 8,644,121.80/x
  3. Step 3: Cross multiply
    15,986,306.23x = 22,061,087.04 × 8,644,121.80
  4. Step 4: Simplify right side
    15,986,306.23x = 190,698,723,414,161.47
  5. Step 5: Solve for x
    x = 190,698,723,414,161.47/15,986,306.23
  6. Step 6: Final answer
    x = 11,928,879.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.