Home / 8,197,631.70-12,296,447.55-8,085,657.30

Finding the Fourth Proportional to 8,197,631.70, 12,296,447.55 and 8,085,657.30

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Solution

The fourth proportional to 8,197,631.70, 12,296,447.55 and 8,085,657.30 is: 12,128,485.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,197,631.70 : 12,296,447.55 = 8,085,657.30 : x
  2. Step 2: Convert to fraction form
    8,197,631.70/12,296,447.55 = 8,085,657.30/x
  3. Step 3: Cross multiply
    8,197,631.70x = 12,296,447.55 × 8,085,657.30
  4. Step 4: Simplify right side
    8,197,631.70x = 99,424,860,896,724.62
  5. Step 5: Solve for x
    x = 99,424,860,896,724.62/8,197,631.70
  6. Step 6: Final answer
    x = 12,128,485.95

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Similar ratio
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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.