Home / 20,503,863.87-30,755,825.64-8,373,327.36

Finding the Fourth Proportional to 20,503,863.87, 30,755,825.64 and 8,373,327.36

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Solution

The fourth proportional to 20,503,863.87, 30,755,825.64 and 8,373,327.36 is: 12,560,003.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,503,863.87 : 30,755,825.64 = 8,373,327.36 : x
  2. Step 2: Convert to fraction form
    20,503,863.87/30,755,825.64 = 8,373,327.36/x
  3. Step 3: Cross multiply
    20,503,863.87x = 30,755,825.64 × 8,373,327.36
  4. Step 4: Simplify right side
    20,503,863.87x = 257,528,596,310,801.53
  5. Step 5: Solve for x
    x = 257,528,596,310,801.53/20,503,863.87
  6. Step 6: Final answer
    x = 12,560,003.22

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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.