Home / 7,412,765.39-10,229,829.89-4,149,560.91

Finding the Fourth Proportional to 7,412,765.39, 10,229,829.89 and 4,149,560.91

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Solution

The fourth proportional to 7,412,765.39, 10,229,829.89 and 4,149,560.91 is: 5,726,513.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412,765.39 : 10,229,829.89 = 4,149,560.91 : x
  2. Step 2: Convert to fraction form
    7,412,765.39/10,229,829.89 = 4,149,560.91/x
  3. Step 3: Cross multiply
    7,412,765.39x = 10,229,829.89 × 4,149,560.91
  4. Step 4: Simplify right side
    7,412,765.39x = 42,449,302,227,493.60
  5. Step 5: Solve for x
    x = 42,449,302,227,493.60/7,412,765.39
  6. Step 6: Final answer
    x = 5,726,513.66

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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.