Home / 20,303,830.20-30,446,297.52-7,520,902.68

Finding the Fourth Proportional to 20,303,830.20, 30,446,297.52 and 7,520,902.68

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Solution

The fourth proportional to 20,303,830.20, 30,446,297.52 and 7,520,902.68 is: 11,277,854.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,303,830.20 : 30,446,297.52 = 7,520,902.68 : x
  2. Step 2: Convert to fraction form
    20,303,830.20/30,446,297.52 = 7,520,902.68/x
  3. Step 3: Cross multiply
    20,303,830.20x = 30,446,297.52 × 7,520,902.68
  4. Step 4: Simplify right side
    20,303,830.20x = 228,983,640,614,245.34
  5. Step 5: Solve for x
    x = 228,983,640,614,245.34/20,303,830.20
  6. Step 6: Final answer
    x = 11,277,854.39

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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.