Home / 12,310,098.93-18,465,162.84-3,212,189.87

Finding the Fourth Proportional to 12,310,098.93, 18,465,162.84 and 3,212,189.87

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Solution

The fourth proportional to 12,310,098.93, 18,465,162.84 and 3,212,189.87 is: 4,818,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310,098.93 : 18,465,162.84 = 3,212,189.87 : x
  2. Step 2: Convert to fraction form
    12,310,098.93/18,465,162.84 = 3,212,189.87/x
  3. Step 3: Cross multiply
    12,310,098.93x = 18,465,162.84 × 3,212,189.87
  4. Step 4: Simplify right side
    12,310,098.93x = 59,313,608,930,222.62
  5. Step 5: Solve for x
    x = 59,313,608,930,222.62/12,310,098.93
  6. Step 6: Final answer
    x = 4,818,288.57

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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.