Home / 28,108,251.25-38,787,777.28-15,548,556.63

Finding the Fourth Proportional to 28,108,251.25, 38,787,777.28 and 15,548,556.63

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Solution

The fourth proportional to 28,108,251.25, 38,787,777.28 and 15,548,556.63 is: 21,456,117.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,108,251.25 : 38,787,777.28 = 15,548,556.63 : x
  2. Step 2: Convert to fraction form
    28,108,251.25/38,787,777.28 = 15,548,556.63/x
  3. Step 3: Cross multiply
    28,108,251.25x = 38,787,777.28 × 15,548,556.63
  4. Step 4: Simplify right side
    28,108,251.25x = 603,093,951,645,541.88
  5. Step 5: Solve for x
    x = 603,093,951,645,541.88/28,108,251.25
  6. Step 6: Final answer
    x = 21,456,117.86

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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.