Home / 31,505,913.44-43,486,250.10-20,520,038.96

Finding the Fourth Proportional to 31,505,913.44, 43,486,250.10 and 20,520,038.96

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Solution

The fourth proportional to 31,505,913.44, 43,486,250.10 and 20,520,038.96 is: 28,322,922.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,505,913.44 : 43,486,250.10 = 20,520,038.96 : x
  2. Step 2: Convert to fraction form
    31,505,913.44/43,486,250.10 = 20,520,038.96/x
  3. Step 3: Cross multiply
    31,505,913.44x = 43,486,250.10 × 20,520,038.96
  4. Step 4: Simplify right side
    31,505,913.44x = 892,339,546,276,304
  5. Step 5: Solve for x
    x = 892,339,546,276,304/31,505,913.44
  6. Step 6: Final answer
    x = 28,322,922.55

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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.