Home / 8,619,696.38-12,929,544.44-8,188,675.54

Finding the Fourth Proportional to 8,619,696.38, 12,929,544.44 and 8,188,675.54

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Solution

The fourth proportional to 8,619,696.38, 12,929,544.44 and 8,188,675.54 is: 12,283,013.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619,696.38 : 12,929,544.44 = 8,188,675.54 : x
  2. Step 2: Convert to fraction form
    8,619,696.38/12,929,544.44 = 8,188,675.54/x
  3. Step 3: Cross multiply
    8,619,696.38x = 12,929,544.44 × 8,188,675.54
  4. Step 4: Simplify right side
    8,619,696.38x = 105,875,844,256,611.30
  5. Step 5: Solve for x
    x = 105,875,844,256,611.30/8,619,696.38
  6. Step 6: Final answer
    x = 12,283,013.18

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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.