Home / 26,720,104.80-40,048,664.40-19,980,645.60

Finding the Fourth Proportional to 26,720,104.80, 40,048,664.40 and 19,980,645.60

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Solution

The fourth proportional to 26,720,104.80, 40,048,664.40 and 19,980,645.60 is: 29,947,418.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,720,104.80 : 40,048,664.40 = 19,980,645.60 : x
  2. Step 2: Convert to fraction form
    26,720,104.80/40,048,664.40 = 19,980,645.60/x
  3. Step 3: Cross multiply
    26,720,104.80x = 40,048,664.40 × 19,980,645.60
  4. Step 4: Simplify right side
    26,720,104.80x = 800,198,170,129,736.62
  5. Step 5: Solve for x
    x = 800,198,170,129,736.62/26,720,104.80
  6. Step 6: Final answer
    x = 29,947,418.85

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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.