Home / 20,504,917.80-30,765,249.90-20,182,116.60

Finding the Fourth Proportional to 20,504,917.80, 30,765,249.90 and 20,182,116.60

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Solution

The fourth proportional to 20,504,917.80, 30,765,249.90 and 20,182,116.60 is: 30,280,924.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,504,917.80 : 30,765,249.90 = 20,182,116.60 : x
  2. Step 2: Convert to fraction form
    20,504,917.80/30,765,249.90 = 20,182,116.60/x
  3. Step 3: Cross multiply
    20,504,917.80x = 30,765,249.90 × 20,182,116.60
  4. Step 4: Simplify right side
    20,504,917.80x = 620,907,860,709,938.38
  5. Step 5: Solve for x
    x = 620,907,860,709,938.38/20,504,917.80
  6. Step 6: Final answer
    x = 30,280,924.16

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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.