Home / 20,155,997.80-30,233,996.70-11,054,578.60

Finding the Fourth Proportional to 20,155,997.80, 30,233,996.70 and 11,054,578.60

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Solution

The fourth proportional to 20,155,997.80, 30,233,996.70 and 11,054,578.60 is: 16,581,867.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,997.80 : 30,233,996.70 = 11,054,578.60 : x
  2. Step 2: Convert to fraction form
    20,155,997.80/30,233,996.70 = 11,054,578.60/x
  3. Step 3: Cross multiply
    20,155,997.80x = 30,233,996.70 × 11,054,578.60
  4. Step 4: Simplify right side
    20,155,997.80x = 334,224,092,912,290.62
  5. Step 5: Solve for x
    x = 334,224,092,912,290.62/20,155,997.80
  6. Step 6: Final answer
    x = 16,581,867.90

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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.