Home / 6,685,630.91-9,205,512.53-5,221,453.85

Finding the Fourth Proportional to 6,685,630.91, 9,205,512.53 and 5,221,453.85

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Solution

The fourth proportional to 6,685,630.91, 9,205,512.53 and 5,221,453.85 is: 7,189,472.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,685,630.91 : 9,205,512.53 = 5,221,453.85 : x
  2. Step 2: Convert to fraction form
    6,685,630.91/9,205,512.53 = 5,221,453.85/x
  3. Step 3: Cross multiply
    6,685,630.91x = 9,205,512.53 × 5,221,453.85
  4. Step 4: Simplify right side
    6,685,630.91x = 48,066,158,840,991.73
  5. Step 5: Solve for x
    x = 48,066,158,840,991.73/6,685,630.91
  6. Step 6: Final answer
    x = 7,189,472.39

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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.