Home / 19,401,707.80-29,064,757.38-11,809,843.48

Finding the Fourth Proportional to 19,401,707.80, 29,064,757.38 and 11,809,843.48

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Solution

The fourth proportional to 19,401,707.80, 29,064,757.38 and 11,809,843.48 is: 17,691,753.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,401,707.80 : 29,064,757.38 = 11,809,843.48 : x
  2. Step 2: Convert to fraction form
    19,401,707.80/29,064,757.38 = 11,809,843.48/x
  3. Step 3: Cross multiply
    19,401,707.80x = 29,064,757.38 × 11,809,843.48
  4. Step 4: Simplify right side
    19,401,707.80x = 343,250,235,441,974.88
  5. Step 5: Solve for x
    x = 343,250,235,441,974.88/19,401,707.80
  6. Step 6: Final answer
    x = 17,691,753.68

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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.