Home / 12,296,313.70-18,444,470.55-8,629,370.80

Finding the Fourth Proportional to 12,296,313.70, 18,444,470.55 and 8,629,370.80

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Solution

The fourth proportional to 12,296,313.70, 18,444,470.55 and 8,629,370.80 is: 12,944,056.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296,313.70 : 18,444,470.55 = 8,629,370.80 : x
  2. Step 2: Convert to fraction form
    12,296,313.70/18,444,470.55 = 8,629,370.80/x
  3. Step 3: Cross multiply
    12,296,313.70x = 18,444,470.55 × 8,629,370.80
  4. Step 4: Simplify right side
    12,296,313.70x = 159,164,175,585,629.97
  5. Step 5: Solve for x
    x = 159,164,175,585,629.97/12,296,313.70
  6. Step 6: Final answer
    x = 12,944,056.20

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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.