Home / 20,298,150.80-30,447,226.20-15,993,478.70

Finding the Fourth Proportional to 20,298,150.80, 30,447,226.20 and 15,993,478.70

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Solution

The fourth proportional to 20,298,150.80, 30,447,226.20 and 15,993,478.70 is: 23,990,218.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,298,150.80 : 30,447,226.20 = 15,993,478.70 : x
  2. Step 2: Convert to fraction form
    20,298,150.80/30,447,226.20 = 15,993,478.70/x
  3. Step 3: Cross multiply
    20,298,150.80x = 30,447,226.20 × 15,993,478.70
  4. Step 4: Simplify right side
    20,298,150.80x = 486,957,063,703,781.88
  5. Step 5: Solve for x
    x = 486,957,063,703,781.88/20,298,150.80
  6. Step 6: Final answer
    x = 23,990,218.05

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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.