Home / 20,022,832.82-30,032,682.47-5,645,319.86

Finding the Fourth Proportional to 20,022,832.82, 30,032,682.47 and 5,645,319.86

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Solution

The fourth proportional to 20,022,832.82, 30,032,682.47 and 5,645,319.86 is: 8,467,538.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022,832.82 : 30,032,682.47 = 5,645,319.86 : x
  2. Step 2: Convert to fraction form
    20,022,832.82/30,032,682.47 = 5,645,319.86/x
  3. Step 3: Cross multiply
    20,022,832.82x = 30,032,682.47 × 5,645,319.86
  4. Step 4: Simplify right side
    20,022,832.82x = 169,544,098,768,738.25
  5. Step 5: Solve for x
    x = 169,544,098,768,738.25/20,022,832.82
  6. Step 6: Final answer
    x = 8,467,538.05

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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.