Home / 7,207,980.80-9,947,017.38-3,944,793.62

Finding the Fourth Proportional to 7,207,980.80, 9,947,017.38 and 3,944,793.62

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Solution

The fourth proportional to 7,207,980.80, 9,947,017.38 and 3,944,793.62 is: 5,443,817.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207,980.80 : 9,947,017.38 = 3,944,793.62 : x
  2. Step 2: Convert to fraction form
    7,207,980.80/9,947,017.38 = 3,944,793.62/x
  3. Step 3: Cross multiply
    7,207,980.80x = 9,947,017.38 × 3,944,793.62
  4. Step 4: Simplify right side
    7,207,980.80x = 39,238,930,698,653.12
  5. Step 5: Solve for x
    x = 39,238,930,698,653.12/7,207,980.80
  6. Step 6: Final answer
    x = 5,443,817.32

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Double scale
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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.