Home / 8,197,811.70-12,296,717.55-8,085,837.30

Finding the Fourth Proportional to 8,197,811.70, 12,296,717.55 and 8,085,837.30

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Solution

The fourth proportional to 8,197,811.70, 12,296,717.55 and 8,085,837.30 is: 12,128,755.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,197,811.70 : 12,296,717.55 = 8,085,837.30 : x
  2. Step 2: Convert to fraction form
    8,197,811.70/12,296,717.55 = 8,085,837.30/x
  3. Step 3: Cross multiply
    8,197,811.70x = 12,296,717.55 × 8,085,837.30
  4. Step 4: Simplify right side
    8,197,811.70x = 99,429,257,433,354.62
  5. Step 5: Solve for x
    x = 99,429,257,433,354.62/8,197,811.70
  6. Step 6: Final answer
    x = 12,128,755.95

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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.