Home / 7,179,383.98-9,907,613.12-3,916,213.22

Finding the Fourth Proportional to 7,179,383.98, 9,907,613.12 and 3,916,213.22

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Solution

The fourth proportional to 7,179,383.98, 9,907,613.12 and 3,916,213.22 is: 5,404,408.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179,383.98 : 9,907,613.12 = 3,916,213.22 : x
  2. Step 2: Convert to fraction form
    7,179,383.98/9,907,613.12 = 3,916,213.22/x
  3. Step 3: Cross multiply
    7,179,383.98x = 9,907,613.12 × 3,916,213.22
  4. Step 4: Simplify right side
    7,179,383.98x = 38,800,325,410,070.31
  5. Step 5: Solve for x
    x = 38,800,325,410,070.31/7,179,383.98
  6. Step 6: Final answer
    x = 5,404,408.73

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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.