Home / 20,757,623.76-28,645,571.43-11,590,594.56

Finding the Fourth Proportional to 20,757,623.76, 28,645,571.43 and 11,590,594.56

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Solution

The fourth proportional to 20,757,623.76, 28,645,571.43 and 11,590,594.56 is: 15,995,048.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,757,623.76 : 28,645,571.43 = 11,590,594.56 : x
  2. Step 2: Convert to fraction form
    20,757,623.76/28,645,571.43 = 11,590,594.56/x
  3. Step 3: Cross multiply
    20,757,623.76x = 28,645,571.43 × 11,590,594.56
  4. Step 4: Simplify right side
    20,757,623.76x = 332,019,204,384,649.44
  5. Step 5: Solve for x
    x = 332,019,204,384,649.44/20,757,623.76
  6. Step 6: Final answer
    x = 15,995,048.77

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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.