Home / 7,109,693.70-10,664,540.55-3,120,605.70

Finding the Fourth Proportional to 7,109,693.70, 10,664,540.55 and 3,120,605.70

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Solution

The fourth proportional to 7,109,693.70, 10,664,540.55 and 3,120,605.70 is: 4,680,908.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,109,693.70 : 10,664,540.55 = 3,120,605.70 : x
  2. Step 2: Convert to fraction form
    7,109,693.70/10,664,540.55 = 3,120,605.70/x
  3. Step 3: Cross multiply
    7,109,693.70x = 10,664,540.55 × 3,120,605.70
  4. Step 4: Simplify right side
    7,109,693.70x = 33,279,826,028,211.14
  5. Step 5: Solve for x
    x = 33,279,826,028,211.14/7,109,693.70
  6. Step 6: Final answer
    x = 4,680,908.55

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Double scale
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Similar ratio
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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.