Home / 12,296,732.70-18,445,099.05-8,629,789.80

Finding the Fourth Proportional to 12,296,732.70, 18,445,099.05 and 8,629,789.80

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Solution

The fourth proportional to 12,296,732.70, 18,445,099.05 and 8,629,789.80 is: 12,944,684.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296,732.70 : 18,445,099.05 = 8,629,789.80 : x
  2. Step 2: Convert to fraction form
    12,296,732.70/18,445,099.05 = 8,629,789.80/x
  3. Step 3: Cross multiply
    12,296,732.70x = 18,445,099.05 × 8,629,789.80
  4. Step 4: Simplify right side
    12,296,732.70x = 159,177,327,641,679.72
  5. Step 5: Solve for x
    x = 159,177,327,641,679.72/12,296,732.70
  6. Step 6: Final answer
    x = 12,944,684.70

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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.