Home / 20,053,215.52-30,080,989.68-5,675,080.48

Finding the Fourth Proportional to 20,053,215.52, 30,080,989.68 and 5,675,080.48

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Solution

The fourth proportional to 20,053,215.52, 30,080,989.68 and 5,675,080.48 is: 8,512,950.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,053,215.52 : 30,080,989.68 = 5,675,080.48 : x
  2. Step 2: Convert to fraction form
    20,053,215.52/30,080,989.68 = 5,675,080.48/x
  3. Step 3: Cross multiply
    20,053,215.52x = 30,080,989.68 × 5,675,080.48
  4. Step 4: Simplify right side
    20,053,215.52x = 170,712,037,352,049.47
  5. Step 5: Solve for x
    x = 170,712,037,352,049.47/20,053,215.52
  6. Step 6: Final answer
    x = 8,512,950.81

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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.