Home / 8,512,286.10-12,768,429.15-8,008,401.30

Finding the Fourth Proportional to 8,512,286.10, 12,768,429.15 and 8,008,401.30

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Solution

The fourth proportional to 8,512,286.10, 12,768,429.15 and 8,008,401.30 is: 12,012,601.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512,286.10 : 12,768,429.15 = 8,008,401.30 : x
  2. Step 2: Convert to fraction form
    8,512,286.10/12,768,429.15 = 8,008,401.30/x
  3. Step 3: Cross multiply
    8,512,286.10x = 12,768,429.15 × 8,008,401.30
  4. Step 4: Simplify right side
    8,512,286.10x = 102,254,704,603,817.89
  5. Step 5: Solve for x
    x = 102,254,704,603,817.89/8,512,286.10
  6. Step 6: Final answer
    x = 12,012,601.95

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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.