Home / 20,447,738.40-30,734,593.20-19,313,997.60

Finding the Fourth Proportional to 20,447,738.40, 30,734,593.20 and 19,313,997.60

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Solution

The fourth proportional to 20,447,738.40, 30,734,593.20 and 19,313,997.60 is: 29,030,489.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,447,738.40 : 30,734,593.20 = 19,313,997.60 : x
  2. Step 2: Convert to fraction form
    20,447,738.40/30,734,593.20 = 19,313,997.60/x
  3. Step 3: Cross multiply
    20,447,738.40x = 30,734,593.20 × 19,313,997.60
  4. Step 4: Simplify right side
    20,447,738.40x = 593,607,859,301,776.38
  5. Step 5: Solve for x
    x = 593,607,859,301,776.38/20,447,738.40
  6. Step 6: Final answer
    x = 29,030,489.71

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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.