Home / 20,298,163.80-30,447,245.70-15,993,491.70

Finding the Fourth Proportional to 20,298,163.80, 30,447,245.70 and 15,993,491.70

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Solution

The fourth proportional to 20,298,163.80, 30,447,245.70 and 15,993,491.70 is: 23,990,237.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,298,163.80 : 30,447,245.70 = 15,993,491.70 : x
  2. Step 2: Convert to fraction form
    20,298,163.80/30,447,245.70 = 15,993,491.70/x
  3. Step 3: Cross multiply
    20,298,163.80x = 30,447,245.70 × 15,993,491.70
  4. Step 4: Simplify right side
    20,298,163.80x = 486,957,771,390,810.62
  5. Step 5: Solve for x
    x = 486,957,771,390,810.62/20,298,163.80
  6. Step 6: Final answer
    x = 23,990,237.55

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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.