Home / 13,947,331.04-20,921,205.25-5,311,908.39

Finding the Fourth Proportional to 13,947,331.04, 20,921,205.25 and 5,311,908.39

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Solution

The fourth proportional to 13,947,331.04, 20,921,205.25 and 5,311,908.39 is: 7,967,942.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947,331.04 : 20,921,205.25 = 5,311,908.39 : x
  2. Step 2: Convert to fraction form
    13,947,331.04/20,921,205.25 = 5,311,908.39/x
  3. Step 3: Cross multiply
    13,947,331.04x = 20,921,205.25 × 5,311,908.39
  4. Step 4: Simplify right side
    13,947,331.04x = 111,131,525,781,481.44
  5. Step 5: Solve for x
    x = 111,131,525,781,481.44/13,947,331.04
  6. Step 6: Final answer
    x = 7,967,942.07

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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.