Home / 19,561,286.80-29,341,930.20-6,777,542.80

Finding the Fourth Proportional to 19,561,286.80, 29,341,930.20 and 6,777,542.80

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Solution

The fourth proportional to 19,561,286.80, 29,341,930.20 and 6,777,542.80 is: 10,166,314.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,561,286.80 : 29,341,930.20 = 6,777,542.80 : x
  2. Step 2: Convert to fraction form
    19,561,286.80/29,341,930.20 = 6,777,542.80/x
  3. Step 3: Cross multiply
    19,561,286.80x = 29,341,930.20 × 6,777,542.80
  4. Step 4: Simplify right side
    19,561,286.80x = 198,866,187,765,112.56
  5. Step 5: Solve for x
    x = 198,866,187,765,112.56/19,561,286.80
  6. Step 6: Final answer
    x = 10,166,314.20

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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.