Home / 20,288,863.44-30,416,236.92-9,500,479.44

Finding the Fourth Proportional to 20,288,863.44, 30,416,236.92 and 9,500,479.44

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Solution

The fourth proportional to 20,288,863.44, 30,416,236.92 and 9,500,479.44 is: 14,242,731.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,288,863.44 : 30,416,236.92 = 9,500,479.44 : x
  2. Step 2: Convert to fraction form
    20,288,863.44/30,416,236.92 = 9,500,479.44/x
  3. Step 3: Cross multiply
    20,288,863.44x = 30,416,236.92 × 9,500,479.44
  4. Step 4: Simplify right side
    20,288,863.44x = 288,968,833,500,628.94
  5. Step 5: Solve for x
    x = 288,968,833,500,628.94/20,288,863.44
  6. Step 6: Final answer
    x = 14,242,731.45

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1.5x scale

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.