Home / 20,322,342.94-28,044,859.71-11,029,912.42

Finding the Fourth Proportional to 20,322,342.94, 28,044,859.71 and 11,029,912.42

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Solution

The fourth proportional to 20,322,342.94, 28,044,859.71 and 11,029,912.42 is: 15,221,293.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,322,342.94 : 28,044,859.71 = 11,029,912.42 : x
  2. Step 2: Convert to fraction form
    20,322,342.94/28,044,859.71 = 11,029,912.42/x
  3. Step 3: Cross multiply
    20,322,342.94x = 28,044,859.71 × 11,029,912.42
  4. Step 4: Simplify right side
    20,322,342.94x = 309,332,346,432,486.62
  5. Step 5: Solve for x
    x = 309,332,346,432,486.62/20,322,342.94
  6. Step 6: Final answer
    x = 15,221,293.50

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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.