Home / 20,550,451.56-28,360,556.82-11,383,093.32

Finding the Fourth Proportional to 20,550,451.56, 28,360,556.82 and 11,383,093.32

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Solution

The fourth proportional to 20,550,451.56, 28,360,556.82 and 11,383,093.32 is: 15,709,185.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,550,451.56 : 28,360,556.82 = 11,383,093.32 : x
  2. Step 2: Convert to fraction form
    20,550,451.56/28,360,556.82 = 11,383,093.32/x
  3. Step 3: Cross multiply
    20,550,451.56x = 28,360,556.82 × 11,383,093.32
  4. Step 4: Simplify right side
    20,550,451.56x = 322,830,864,889,222.44
  5. Step 5: Solve for x
    x = 322,830,864,889,222.44/20,550,451.56
  6. Step 6: Final answer
    x = 15,709,185.95

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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.