Home / 7,268,540.70-10,902,811.05-4,427,190.30

Finding the Fourth Proportional to 7,268,540.70, 10,902,811.05 and 4,427,190.30

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Solution

The fourth proportional to 7,268,540.70, 10,902,811.05 and 4,427,190.30 is: 6,640,785.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,268,540.70 : 10,902,811.05 = 4,427,190.30 : x
  2. Step 2: Convert to fraction form
    7,268,540.70/10,902,811.05 = 4,427,190.30/x
  3. Step 3: Cross multiply
    7,268,540.70x = 10,902,811.05 × 4,427,190.30
  4. Step 4: Simplify right side
    7,268,540.70x = 48,268,819,323,292.81
  5. Step 5: Solve for x
    x = 48,268,819,323,292.81/7,268,540.70
  6. Step 6: Final answer
    x = 6,640,785.45

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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.