Home / 12,015,743.76-18,027,639.72-3,929,092.56

Finding the Fourth Proportional to 12,015,743.76, 18,027,639.72 and 3,929,092.56

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Solution

The fourth proportional to 12,015,743.76, 18,027,639.72 and 3,929,092.56 is: 5,894,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015,743.76 : 18,027,639.72 = 3,929,092.56 : x
  2. Step 2: Convert to fraction form
    12,015,743.76/18,027,639.72 = 3,929,092.56/x
  3. Step 3: Cross multiply
    12,015,743.76x = 18,027,639.72 × 3,929,092.56
  4. Step 4: Simplify right side
    12,015,743.76x = 70,832,265,098,212.48
  5. Step 5: Solve for x
    x = 70,832,265,098,212.48/12,015,743.76
  6. Step 6: Final answer
    x = 5,894,954.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.