Home / 12,296,728.70-18,445,093.05-8,629,785.80

Finding the Fourth Proportional to 12,296,728.70, 18,445,093.05 and 8,629,785.80

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Solution

The fourth proportional to 12,296,728.70, 18,445,093.05 and 8,629,785.80 is: 12,944,678.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296,728.70 : 18,445,093.05 = 8,629,785.80 : x
  2. Step 2: Convert to fraction form
    12,296,728.70/18,445,093.05 = 8,629,785.80/x
  3. Step 3: Cross multiply
    12,296,728.70x = 18,445,093.05 × 8,629,785.80
  4. Step 4: Simplify right side
    12,296,728.70x = 159,177,202,082,568.72
  5. Step 5: Solve for x
    x = 159,177,202,082,568.72/12,296,728.70
  6. Step 6: Final answer
    x = 12,944,678.70

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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.