Home / 30,929,113.92-42,682,178.56-17,179,357.44

Finding the Fourth Proportional to 30,929,113.92, 42,682,178.56 and 17,179,357.44

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Solution

The fourth proportional to 30,929,113.92, 42,682,178.56 and 17,179,357.44 is: 23,707,514.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,929,113.92 : 42,682,178.56 = 17,179,357.44 : x
  2. Step 2: Convert to fraction form
    30,929,113.92/42,682,178.56 = 17,179,357.44/x
  3. Step 3: Cross multiply
    30,929,113.92x = 42,682,178.56 × 17,179,357.44
  4. Step 4: Simplify right side
    30,929,113.92x = 733,252,401,800,144.62
  5. Step 5: Solve for x
    x = 733,252,401,800,144.62/30,929,113.92
  6. Step 6: Final answer
    x = 23,707,514.02

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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.