Home / 7,910,681-11,858,984.22-2,860,868.84

Finding the Fourth Proportional to 7,910,681, 11,858,984.22 and 2,860,868.84

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Solution

The fourth proportional to 7,910,681, 11,858,984.22 and 2,860,868.84 is: 4,288,758.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910,681 : 11,858,984.22 = 2,860,868.84 : x
  2. Step 2: Convert to fraction form
    7,910,681/11,858,984.22 = 2,860,868.84/x
  3. Step 3: Cross multiply
    7,910,681x = 11,858,984.22 × 2,860,868.84
  4. Step 4: Simplify right side
    7,910,681x = 33,926,998,429,049.70
  5. Step 5: Solve for x
    x = 33,926,998,429,049.70/7,910,681
  6. Step 6: Final answer
    x = 4,288,758.25

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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.