Home / 20,203,081.70-30,304,622.55-7,432,751.30

Finding the Fourth Proportional to 20,203,081.70, 30,304,622.55 and 7,432,751.30

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Solution

The fourth proportional to 20,203,081.70, 30,304,622.55 and 7,432,751.30 is: 11,149,126.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,203,081.70 : 30,304,622.55 = 7,432,751.30 : x
  2. Step 2: Convert to fraction form
    20,203,081.70/30,304,622.55 = 7,432,751.30/x
  3. Step 3: Cross multiply
    20,203,081.70x = 30,304,622.55 × 7,432,751.30
  4. Step 4: Simplify right side
    20,203,081.70x = 225,246,722,654,521.81
  5. Step 5: Solve for x
    x = 225,246,722,654,521.81/20,203,081.70
  6. Step 6: Final answer
    x = 11,149,126.95

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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.