Home / 7,148,205.96-9,864,588.83-3,885,028.49

Finding the Fourth Proportional to 7,148,205.96, 9,864,588.83 and 3,885,028.49

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Solution

The fourth proportional to 7,148,205.96, 9,864,588.83 and 3,885,028.49 is: 5,361,374.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148,205.96 : 9,864,588.83 = 3,885,028.49 : x
  2. Step 2: Convert to fraction form
    7,148,205.96/9,864,588.83 = 3,885,028.49/x
  3. Step 3: Cross multiply
    7,148,205.96x = 9,864,588.83 × 3,885,028.49
  4. Step 4: Simplify right side
    7,148,205.96x = 38,324,208,577,937.68
  5. Step 5: Solve for x
    x = 38,324,208,577,937.68/7,148,205.96
  6. Step 6: Final answer
    x = 5,361,374.42

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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.