Home / 6,623,664.82-9,139,317.44-3,869,820.39

Finding the Fourth Proportional to 6,623,664.82, 9,139,317.44 and 3,869,820.39

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Solution

The fourth proportional to 6,623,664.82, 9,139,317.44 and 3,869,820.39 is: 5,339,569.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,623,664.82 : 9,139,317.44 = 3,869,820.39 : x
  2. Step 2: Convert to fraction form
    6,623,664.82/9,139,317.44 = 3,869,820.39/x
  3. Step 3: Cross multiply
    6,623,664.82x = 9,139,317.44 × 3,869,820.39
  4. Step 4: Simplify right side
    6,623,664.82x = 35,367,517,012,517.45
  5. Step 5: Solve for x
    x = 35,367,517,012,517.45/6,623,664.82
  6. Step 6: Final answer
    x = 5,339,569.25

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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.