Home / 28,384,592.54-39,170,753.37-15,331,851.36

Finding the Fourth Proportional to 28,384,592.54, 39,170,753.37 and 15,331,851.36

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Solution

The fourth proportional to 28,384,592.54, 39,170,753.37 and 15,331,851.36 is: 21,157,963.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,384,592.54 : 39,170,753.37 = 15,331,851.36 : x
  2. Step 2: Convert to fraction form
    28,384,592.54/39,170,753.37 = 15,331,851.36/x
  3. Step 3: Cross multiply
    28,384,592.54x = 39,170,753.37 × 15,331,851.36
  4. Step 4: Simplify right side
    28,384,592.54x = 600,560,168,328,059
  5. Step 5: Solve for x
    x = 600,560,168,328,059/28,384,592.54
  6. Step 6: Final answer
    x = 21,157,963.34

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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.