Home / 15,380,745.86-23,084,986.05-8,198,262.02

Finding the Fourth Proportional to 15,380,745.86, 23,084,986.05 and 8,198,262.02

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Solution

The fourth proportional to 15,380,745.86, 23,084,986.05 and 8,198,262.02 is: 12,304,784.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,380,745.86 : 23,084,986.05 = 8,198,262.02 : x
  2. Step 2: Convert to fraction form
    15,380,745.86/23,084,986.05 = 8,198,262.02/x
  3. Step 3: Cross multiply
    15,380,745.86x = 23,084,986.05 × 8,198,262.02
  4. Step 4: Simplify right side
    15,380,745.86x = 189,256,764,365,944.81
  5. Step 5: Solve for x
    x = 189,256,764,365,944.81/15,380,745.86
  6. Step 6: Final answer
    x = 12,304,784.57

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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.