Home / 7,169,794.15-9,894,191.12-3,906,635.85

Finding the Fourth Proportional to 7,169,794.15, 9,894,191.12 and 3,906,635.85

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Solution

The fourth proportional to 7,169,794.15, 9,894,191.12 and 3,906,635.85 is: 5,391,089.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169,794.15 : 9,894,191.12 = 3,906,635.85 : x
  2. Step 2: Convert to fraction form
    7,169,794.15/9,894,191.12 = 3,906,635.85/x
  3. Step 3: Cross multiply
    7,169,794.15x = 9,894,191.12 × 3,906,635.85
  4. Step 4: Simplify right side
    7,169,794.15x = 38,653,001,736,143.65
  5. Step 5: Solve for x
    x = 38,653,001,736,143.65/7,169,794.15
  6. Step 6: Final answer
    x = 5,391,089.47

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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.