Home / 6,815,512.56-9,405,090.72-3,912,860.64

Finding the Fourth Proportional to 6,815,512.56, 9,405,090.72 and 3,912,860.64

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Solution

The fourth proportional to 6,815,512.56, 9,405,090.72 and 3,912,860.64 is: 5,399,565.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815,512.56 : 9,405,090.72 = 3,912,860.64 : x
  2. Step 2: Convert to fraction form
    6,815,512.56/9,405,090.72 = 3,912,860.64/x
  3. Step 3: Cross multiply
    6,815,512.56x = 9,405,090.72 × 3,912,860.64
  4. Step 4: Simplify right side
    6,815,512.56x = 36,800,809,293,917.27
  5. Step 5: Solve for x
    x = 36,800,809,293,917.27/6,815,512.56
  6. Step 6: Final answer
    x = 5,399,565.91

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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.