Home / 20,150,999.70-30,226,499.55-7,372,796.10

Finding the Fourth Proportional to 20,150,999.70, 30,226,499.55 and 7,372,796.10

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Solution

The fourth proportional to 20,150,999.70, 30,226,499.55 and 7,372,796.10 is: 11,059,194.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,150,999.70 : 30,226,499.55 = 7,372,796.10 : x
  2. Step 2: Convert to fraction form
    20,150,999.70/30,226,499.55 = 7,372,796.10/x
  3. Step 3: Cross multiply
    20,150,999.70x = 30,226,499.55 × 7,372,796.10
  4. Step 4: Simplify right side
    20,150,999.70x = 222,853,817,998,891.75
  5. Step 5: Solve for x
    x = 222,853,817,998,891.75/20,150,999.70
  6. Step 6: Final answer
    x = 11,059,194.15

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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.