Home / 18,691,389.54-25,794,453.52-10,962,006.66

Finding the Fourth Proportional to 18,691,389.54, 25,794,453.52 and 10,962,006.66

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Solution

The fourth proportional to 18,691,389.54, 25,794,453.52 and 10,962,006.66 is: 15,127,766.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,691,389.54 : 25,794,453.52 = 10,962,006.66 : x
  2. Step 2: Convert to fraction form
    18,691,389.54/25,794,453.52 = 10,962,006.66/x
  3. Step 3: Cross multiply
    18,691,389.54x = 25,794,453.52 × 10,962,006.66
  4. Step 4: Simplify right side
    18,691,389.54x = 282,758,971,277,300.44
  5. Step 5: Solve for x
    x = 282,758,971,277,300.44/18,691,389.54
  6. Step 6: Final answer
    x = 15,127,766.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.