Home / 20,212,233.60-30,318,350.40-7,431,077.55

Finding the Fourth Proportional to 20,212,233.60, 30,318,350.40 and 7,431,077.55

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Solution

The fourth proportional to 20,212,233.60, 30,318,350.40 and 7,431,077.55 is: 11,146,616.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,212,233.60 : 30,318,350.40 = 7,431,077.55 : x
  2. Step 2: Convert to fraction form
    20,212,233.60/30,318,350.40 = 7,431,077.55/x
  3. Step 3: Cross multiply
    20,212,233.60x = 30,318,350.40 × 7,431,077.55
  4. Step 4: Simplify right side
    20,212,233.60x = 225,298,013,010,473.50
  5. Step 5: Solve for x
    x = 225,298,013,010,473.50/20,212,233.60
  6. Step 6: Final answer
    x = 11,146,616.33

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Double scale
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Similar ratio
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1.5x scale

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.