Home / 7,385,971.38-11,098,440.95-3,976,778.58

Finding the Fourth Proportional to 7,385,971.38, 11,098,440.95 and 3,976,778.58

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Solution

The fourth proportional to 7,385,971.38, 11,098,440.95 and 3,976,778.58 is: 5,975,658.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385,971.38 : 11,098,440.95 = 3,976,778.58 : x
  2. Step 2: Convert to fraction form
    7,385,971.38/11,098,440.95 = 3,976,778.58/x
  3. Step 3: Cross multiply
    7,385,971.38x = 11,098,440.95 × 3,976,778.58
  4. Step 4: Simplify right side
    7,385,971.38x = 44,136,042,221,470.96
  5. Step 5: Solve for x
    x = 44,136,042,221,470.96/7,385,971.38
  6. Step 6: Final answer
    x = 5,975,658.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.