Home / 6,711,911.20-9,262,138.69-3,921,293.13

Finding the Fourth Proportional to 6,711,911.20, 9,262,138.69 and 3,921,293.13

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Solution

The fourth proportional to 6,711,911.20, 9,262,138.69 and 3,921,293.13 is: 5,411,209.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,711,911.20 : 9,262,138.69 = 3,921,293.13 : x
  2. Step 2: Convert to fraction form
    6,711,911.20/9,262,138.69 = 3,921,293.13/x
  3. Step 3: Cross multiply
    6,711,911.20x = 9,262,138.69 × 3,921,293.13
  4. Step 4: Simplify right side
    6,711,911.20x = 36,319,560,784,372.80
  5. Step 5: Solve for x
    x = 36,319,560,784,372.80/6,711,911.20
  6. Step 6: Final answer
    x = 5,411,209.97

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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.