Home / 8,517,809.70-11,759,883.21-5,422,080.42

Finding the Fourth Proportional to 8,517,809.70, 11,759,883.21 and 5,422,080.42

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Solution

The fourth proportional to 8,517,809.70, 11,759,883.21 and 5,422,080.42 is: 7,485,848.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517,809.70 : 11,759,883.21 = 5,422,080.42 : x
  2. Step 2: Convert to fraction form
    8,517,809.70/11,759,883.21 = 5,422,080.42/x
  3. Step 3: Cross multiply
    8,517,809.70x = 11,759,883.21 × 5,422,080.42
  4. Step 4: Simplify right side
    8,517,809.70x = 63,763,032,494,427.75
  5. Step 5: Solve for x
    x = 63,763,032,494,427.75/8,517,809.70
  6. Step 6: Final answer
    x = 7,485,848.44

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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.