Home / 7,739,359.38-11,609,002.62-1,982,081.88

Finding the Fourth Proportional to 7,739,359.38, 11,609,002.62 and 1,982,081.88

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Solution

The fourth proportional to 7,739,359.38, 11,609,002.62 and 1,982,081.88 is: 2,973,113.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739,359.38 : 11,609,002.62 = 1,982,081.88 : x
  2. Step 2: Convert to fraction form
    7,739,359.38/11,609,002.62 = 1,982,081.88/x
  3. Step 3: Cross multiply
    7,739,359.38x = 11,609,002.62 × 1,982,081.88
  4. Step 4: Simplify right side
    7,739,359.38x = 23,009,993,737,974.52
  5. Step 5: Solve for x
    x = 23,009,993,737,974.52/7,739,359.38
  6. Step 6: Final answer
    x = 2,973,113.49

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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.