Home / 7,215,615.43-10,815,597.33-3,612,693.31

Finding the Fourth Proportional to 7,215,615.43, 10,815,597.33 and 3,612,693.31

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Solution

The fourth proportional to 7,215,615.43, 10,815,597.33 and 3,612,693.31 is: 5,415,121.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215,615.43 : 10,815,597.33 = 3,612,693.31 : x
  2. Step 2: Convert to fraction form
    7,215,615.43/10,815,597.33 = 3,612,693.31/x
  3. Step 3: Cross multiply
    7,215,615.43x = 10,815,597.33 × 3,612,693.31
  4. Step 4: Simplify right side
    7,215,615.43x = 39,073,436,117,744.86
  5. Step 5: Solve for x
    x = 39,073,436,117,744.86/7,215,615.43
  6. Step 6: Final answer
    x = 5,415,121.76

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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.