Home / 35,504,993.20-53,257,489.80-20,388,449.20

Finding the Fourth Proportional to 35,504,993.20, 53,257,489.80 and 20,388,449.20

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Solution

The fourth proportional to 35,504,993.20, 53,257,489.80 and 20,388,449.20 is: 30,582,673.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,504,993.20 : 53,257,489.80 = 20,388,449.20 : x
  2. Step 2: Convert to fraction form
    35,504,993.20/53,257,489.80 = 20,388,449.20/x
  3. Step 3: Cross multiply
    35,504,993.20x = 53,257,489.80 × 20,388,449.20
  4. Step 4: Simplify right side
    35,504,993.20x = 1,085,837,625,306,818
  5. Step 5: Solve for x
    x = 1,085,837,625,306,818/35,504,993.20
  6. Step 6: Final answer
    x = 30,582,673.80

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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.