Home / 20,298,166.80-30,447,250.20-15,993,494.70

Finding the Fourth Proportional to 20,298,166.80, 30,447,250.20 and 15,993,494.70

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Solution

The fourth proportional to 20,298,166.80, 30,447,250.20 and 15,993,494.70 is: 23,990,242.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,298,166.80 : 30,447,250.20 = 15,993,494.70 : x
  2. Step 2: Convert to fraction form
    20,298,166.80/30,447,250.20 = 15,993,494.70/x
  3. Step 3: Cross multiply
    20,298,166.80x = 30,447,250.20 × 15,993,494.70
  4. Step 4: Simplify right side
    20,298,166.80x = 486,957,934,703,273.88
  5. Step 5: Solve for x
    x = 486,957,934,703,273.88/20,298,166.80
  6. Step 6: Final answer
    x = 23,990,242.05

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1.5x scale

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.