Home / 13,667,089.68-18,860,977.43-7,555,911.84

Finding the Fourth Proportional to 13,667,089.68, 18,860,977.43 and 7,555,911.84

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Solution

The fourth proportional to 13,667,089.68, 18,860,977.43 and 7,555,911.84 is: 10,427,375.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667,089.68 : 18,860,977.43 = 7,555,911.84 : x
  2. Step 2: Convert to fraction form
    13,667,089.68/18,860,977.43 = 7,555,911.84/x
  3. Step 3: Cross multiply
    13,667,089.68x = 18,860,977.43 × 7,555,911.84
  4. Step 4: Simplify right side
    13,667,089.68x = 142,511,882,639,530.22
  5. Step 5: Solve for x
    x = 142,511,882,639,530.22/13,667,089.68
  6. Step 6: Final answer
    x = 10,427,375.98

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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.