Home / 20,190,736.26-30,279,751.74-6,540,715.47

Finding the Fourth Proportional to 20,190,736.26, 30,279,751.74 and 6,540,715.47

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Solution

The fourth proportional to 20,190,736.26, 30,279,751.74 and 6,540,715.47 is: 9,809,015.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,190,736.26 : 30,279,751.74 = 6,540,715.47 : x
  2. Step 2: Convert to fraction form
    20,190,736.26/30,279,751.74 = 6,540,715.47/x
  3. Step 3: Cross multiply
    20,190,736.26x = 30,279,751.74 × 6,540,715.47
  4. Step 4: Simplify right side
    20,190,736.26x = 198,051,240,633,577.41
  5. Step 5: Solve for x
    x = 198,051,240,633,577.41/20,190,736.26
  6. Step 6: Final answer
    x = 9,809,015.29

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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.