Home / 8,436,181.06-11,629,388.73-6,622,195.78

Finding the Fourth Proportional to 8,436,181.06, 11,629,388.73 and 6,622,195.78

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Solution

The fourth proportional to 8,436,181.06, 11,629,388.73 and 6,622,195.78 is: 9,128,785.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436,181.06 : 11,629,388.73 = 6,622,195.78 : x
  2. Step 2: Convert to fraction form
    8,436,181.06/11,629,388.73 = 6,622,195.78/x
  3. Step 3: Cross multiply
    8,436,181.06x = 11,629,388.73 × 6,622,195.78
  4. Step 4: Simplify right side
    8,436,181.06x = 77,012,088,971,785.56
  5. Step 5: Solve for x
    x = 77,012,088,971,785.56/8,436,181.06
  6. Step 6: Final answer
    x = 9,128,785.69

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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.