Home / 28,964,028.82-39,970,385.96-15,912,133.24

Finding the Fourth Proportional to 28,964,028.82, 39,970,385.96 and 15,912,133.24

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Solution

The fourth proportional to 28,964,028.82, 39,970,385.96 and 15,912,133.24 is: 21,958,758.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964,028.82 : 39,970,385.96 = 15,912,133.24 : x
  2. Step 2: Convert to fraction form
    28,964,028.82/39,970,385.96 = 15,912,133.24/x
  3. Step 3: Cross multiply
    28,964,028.82x = 39,970,385.96 × 15,912,133.24
  4. Step 4: Simplify right side
    28,964,028.82x = 636,014,107,049,745.38
  5. Step 5: Solve for x
    x = 636,014,107,049,745.38/28,964,028.82
  6. Step 6: Final answer
    x = 21,958,758.26

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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.