Home / 20,503,893.53-30,755,870.21-8,373,357.12

Finding the Fourth Proportional to 20,503,893.53, 30,755,870.21 and 8,373,357.12

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Solution

The fourth proportional to 20,503,893.53, 30,755,870.21 and 8,373,357.12 is: 12,560,047.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,503,893.53 : 30,755,870.21 = 8,373,357.12 : x
  2. Step 2: Convert to fraction form
    20,503,893.53/30,755,870.21 = 8,373,357.12/x
  3. Step 3: Cross multiply
    20,503,893.53x = 30,755,870.21 × 8,373,357.12
  4. Step 4: Simplify right side
    20,503,893.53x = 257,529,884,825,632.78
  5. Step 5: Solve for x
    x = 257,529,884,825,632.78/20,503,893.53
  6. Step 6: Final answer
    x = 12,560,047.90

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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.