Home / 20,549,168.87-30,825,189.43-8,253,133.16

Finding the Fourth Proportional to 20,549,168.87, 30,825,189.43 and 8,253,133.16

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Solution

The fourth proportional to 20,549,168.87, 30,825,189.43 and 8,253,133.16 is: 12,380,276.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,549,168.87 : 30,825,189.43 = 8,253,133.16 : x
  2. Step 2: Convert to fraction form
    20,549,168.87/30,825,189.43 = 8,253,133.16/x
  3. Step 3: Cross multiply
    20,549,168.87x = 30,825,189.43 × 8,253,133.16
  4. Step 4: Simplify right side
    20,549,168.87x = 254,404,392,873,255.72
  5. Step 5: Solve for x
    x = 254,404,392,873,255.72/20,549,168.87
  6. Step 6: Final answer
    x = 12,380,276.52

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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.