Home / 28,964,028.06-39,970,384.92-15,912,132.48

Finding the Fourth Proportional to 28,964,028.06, 39,970,384.92 and 15,912,132.48

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Solution

The fourth proportional to 28,964,028.06, 39,970,384.92 and 15,912,132.48 is: 21,958,757.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964,028.06 : 39,970,384.92 = 15,912,132.48 : x
  2. Step 2: Convert to fraction form
    28,964,028.06/39,970,384.92 = 15,912,132.48/x
  3. Step 3: Cross multiply
    28,964,028.06x = 39,970,384.92 × 15,912,132.48
  4. Step 4: Simplify right side
    28,964,028.06x = 636,014,060,123,634.25
  5. Step 5: Solve for x
    x = 636,014,060,123,634.25/28,964,028.06
  6. Step 6: Final answer
    x = 21,958,757.21

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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.