Home / 30,413,977-41,960,954.82-17,351,852.20

Finding the Fourth Proportional to 30,413,977, 41,960,954.82 and 17,351,852.20

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Solution

The fourth proportional to 30,413,977, 41,960,954.82 and 17,351,852.20 is: 23,939,660.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,413,977 : 41,960,954.82 = 17,351,852.20 : x
  2. Step 2: Convert to fraction form
    30,413,977/41,960,954.82 = 17,351,852.20/x
  3. Step 3: Cross multiply
    30,413,977x = 41,960,954.82 × 17,351,852.20
  4. Step 4: Simplify right side
    30,413,977x = 728,100,286,207,517.62
  5. Step 5: Solve for x
    x = 728,100,286,207,517.62/30,413,977
  6. Step 6: Final answer
    x = 23,939,660.58

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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.