Home / 20,407,824.66-28,162,797.03-11,240,467.86

Finding the Fourth Proportional to 20,407,824.66, 28,162,797.03 and 11,240,467.86

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Solution

The fourth proportional to 20,407,824.66, 28,162,797.03 and 11,240,467.86 is: 15,511,845.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,407,824.66 : 28,162,797.03 = 11,240,467.86 : x
  2. Step 2: Convert to fraction form
    20,407,824.66/28,162,797.03 = 11,240,467.86/x
  3. Step 3: Cross multiply
    20,407,824.66x = 28,162,797.03 × 11,240,467.86
  4. Step 4: Simplify right side
    20,407,824.66x = 316,563,014,863,418.44
  5. Step 5: Solve for x
    x = 316,563,014,863,418.44/20,407,824.66
  6. Step 6: Final answer
    x = 15,511,845.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.