Home / 7,149,121.89-10,717,655.94-3,102,561.58

Finding the Fourth Proportional to 7,149,121.89, 10,717,655.94 and 3,102,561.58

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Solution

The fourth proportional to 7,149,121.89, 10,717,655.94 and 3,102,561.58 is: 4,651,226.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149,121.89 : 10,717,655.94 = 3,102,561.58 : x
  2. Step 2: Convert to fraction form
    7,149,121.89/10,717,655.94 = 3,102,561.58/x
  3. Step 3: Cross multiply
    7,149,121.89x = 10,717,655.94 × 3,102,561.58
  4. Step 4: Simplify right side
    7,149,121.89x = 33,252,187,540,404.25
  5. Step 5: Solve for x
    x = 33,252,187,540,404.25/7,149,121.89
  6. Step 6: Final answer
    x = 4,651,226.83

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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.