Home / 20,122,697.88-30,183,403.26-8,457,249.60

Finding the Fourth Proportional to 20,122,697.88, 30,183,403.26 and 8,457,249.60

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Solution

The fourth proportional to 20,122,697.88, 30,183,403.26 and 8,457,249.60 is: 12,685,603.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,122,697.88 : 30,183,403.26 = 8,457,249.60 : x
  2. Step 2: Convert to fraction form
    20,122,697.88/30,183,403.26 = 8,457,249.60/x
  3. Step 3: Cross multiply
    20,122,697.88x = 30,183,403.26 × 8,457,249.60
  4. Step 4: Simplify right side
    20,122,697.88x = 255,268,575,147,273.69
  5. Step 5: Solve for x
    x = 255,268,575,147,273.69/20,122,697.88
  6. Step 6: Final answer
    x = 12,685,603.92

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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.