Home / 20,309,405.32-30,464,179.26-5,163,338.44

Finding the Fourth Proportional to 20,309,405.32, 30,464,179.26 and 5,163,338.44

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Solution

The fourth proportional to 20,309,405.32, 30,464,179.26 and 5,163,338.44 is: 7,745,025.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,309,405.32 : 30,464,179.26 = 5,163,338.44 : x
  2. Step 2: Convert to fraction form
    20,309,405.32/30,464,179.26 = 5,163,338.44/x
  3. Step 3: Cross multiply
    20,309,405.32x = 30,464,179.26 × 5,163,338.44
  4. Step 4: Simplify right side
    20,309,405.32x = 157,296,867,816,208.78
  5. Step 5: Solve for x
    x = 157,296,867,816,208.78/20,309,405.32
  6. Step 6: Final answer
    x = 7,745,025.78

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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.