Home / 20,055,943.68-30,080,067.84-5,675,539.20

Finding the Fourth Proportional to 20,055,943.68, 30,080,067.84 and 5,675,539.20

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Solution

The fourth proportional to 20,055,943.68, 30,080,067.84 and 5,675,539.20 is: 8,512,219.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,055,943.68 : 30,080,067.84 = 5,675,539.20 : x
  2. Step 2: Convert to fraction form
    20,055,943.68/30,080,067.84 = 5,675,539.20/x
  3. Step 3: Cross multiply
    20,055,943.68x = 30,080,067.84 × 5,675,539.20
  4. Step 4: Simplify right side
    20,055,943.68x = 170,720,604,164,579.34
  5. Step 5: Solve for x
    x = 170,720,604,164,579.34/20,055,943.68
  6. Step 6: Final answer
    x = 8,512,219.96

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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.