Home / 20,662,449.28-30,993,570.24-5,309,722.24

Finding the Fourth Proportional to 20,662,449.28, 30,993,570.24 and 5,309,722.24

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Solution

The fourth proportional to 20,662,449.28, 30,993,570.24 and 5,309,722.24 is: 7,964,556.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,662,449.28 : 30,993,570.24 = 5,309,722.24 : x
  2. Step 2: Convert to fraction form
    20,662,449.28/30,993,570.24 = 5,309,722.24/x
  3. Step 3: Cross multiply
    20,662,449.28x = 30,993,570.24 × 5,309,722.24
  4. Step 4: Simplify right side
    20,662,449.28x = 164,567,249,200,330.12
  5. Step 5: Solve for x
    x = 164,567,249,200,330.12/20,662,449.28
  6. Step 6: Final answer
    x = 7,964,556.72

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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.