Home / 20,002,499.80-30,003,749.70-6,540,688.60

Finding the Fourth Proportional to 20,002,499.80, 30,003,749.70 and 6,540,688.60

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Solution

The fourth proportional to 20,002,499.80, 30,003,749.70 and 6,540,688.60 is: 9,811,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002,499.80 : 30,003,749.70 = 6,540,688.60 : x
  2. Step 2: Convert to fraction form
    20,002,499.80/30,003,749.70 = 6,540,688.60/x
  3. Step 3: Cross multiply
    20,002,499.80x = 30,003,749.70 × 6,540,688.60
  4. Step 4: Simplify right side
    20,002,499.80x = 196,245,183,620,043.41
  5. Step 5: Solve for x
    x = 196,245,183,620,043.41/20,002,499.80
  6. Step 6: Final answer
    x = 9,811,032.90

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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.