Home / 20,794,292.54-28,694,197.82-11,501,662.58

Finding the Fourth Proportional to 20,794,292.54, 28,694,197.82 and 11,501,662.58

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Solution

The fourth proportional to 20,794,292.54, 28,694,197.82 and 11,501,662.58 is: 15,871,229.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794,292.54 : 28,694,197.82 = 11,501,662.58 : x
  2. Step 2: Convert to fraction form
    20,794,292.54/28,694,197.82 = 11,501,662.58/x
  3. Step 3: Cross multiply
    20,794,292.54x = 28,694,197.82 × 11,501,662.58
  4. Step 4: Simplify right side
    20,794,292.54x = 330,030,981,329,411.56
  5. Step 5: Solve for x
    x = 330,030,981,329,411.56/20,794,292.54
  6. Step 6: Final answer
    x = 15,871,229.12

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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.