Home / 20,219,830.10-30,329,745.15-16,629,650.90

Finding the Fourth Proportional to 20,219,830.10, 30,329,745.15 and 16,629,650.90

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Solution

The fourth proportional to 20,219,830.10, 30,329,745.15 and 16,629,650.90 is: 24,944,476.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219,830.10 : 30,329,745.15 = 16,629,650.90 : x
  2. Step 2: Convert to fraction form
    20,219,830.10/30,329,745.15 = 16,629,650.90/x
  3. Step 3: Cross multiply
    20,219,830.10x = 30,329,745.15 × 16,629,650.90
  4. Step 4: Simplify right side
    20,219,830.10x = 504,373,073,730,468.12
  5. Step 5: Solve for x
    x = 504,373,073,730,468.12/20,219,830.10
  6. Step 6: Final answer
    x = 24,944,476.35

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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.