Home / 20,199,388.20-30,299,082.30-13,822,096.20

Finding the Fourth Proportional to 20,199,388.20, 30,299,082.30 and 13,822,096.20

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Solution

The fourth proportional to 20,199,388.20, 30,299,082.30 and 13,822,096.20 is: 20,733,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199,388.20 : 30,299,082.30 = 13,822,096.20 : x
  2. Step 2: Convert to fraction form
    20,199,388.20/30,299,082.30 = 13,822,096.20/x
  3. Step 3: Cross multiply
    20,199,388.20x = 30,299,082.30 × 13,822,096.20
  4. Step 4: Simplify right side
    20,199,388.20x = 418,796,830,322,317.25
  5. Step 5: Solve for x
    x = 418,796,830,322,317.25/20,199,388.20
  6. Step 6: Final answer
    x = 20,733,144.30

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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.