Home / 7,614,909.45-11,418,688.94-4,420,839.69

Finding the Fourth Proportional to 7,614,909.45, 11,418,688.94 and 4,420,839.69

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Solution

The fourth proportional to 7,614,909.45, 11,418,688.94 and 4,420,839.69 is: 6,629,125.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,614,909.45 : 11,418,688.94 = 4,420,839.69 : x
  2. Step 2: Convert to fraction form
    7,614,909.45/11,418,688.94 = 4,420,839.69/x
  3. Step 3: Cross multiply
    7,614,909.45x = 11,418,688.94 × 4,420,839.69
  4. Step 4: Simplify right side
    7,614,909.45x = 50,480,193,251,611.84
  5. Step 5: Solve for x
    x = 50,480,193,251,611.84/7,614,909.45
  6. Step 6: Final answer
    x = 6,629,125.87

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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.