Home / 21,839,685.89-30,138,928.29-12,050,493.44

Finding the Fourth Proportional to 21,839,685.89, 30,138,928.29 and 12,050,493.44

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Solution

The fourth proportional to 21,839,685.89, 30,138,928.29 and 12,050,493.44 is: 16,629,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,839,685.89 : 30,138,928.29 = 12,050,493.44 : x
  2. Step 2: Convert to fraction form
    21,839,685.89/30,138,928.29 = 12,050,493.44/x
  3. Step 3: Cross multiply
    21,839,685.89x = 30,138,928.29 × 12,050,493.44
  4. Step 4: Simplify right side
    21,839,685.89x = 363,188,957,496,580.75
  5. Step 5: Solve for x
    x = 363,188,957,496,580.75/21,839,685.89
  6. Step 6: Final answer
    x = 16,629,770.20

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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.