Home / 19,196,999.70-28,795,499.55-12,022,546.20

Finding the Fourth Proportional to 19,196,999.70, 28,795,499.55 and 12,022,546.20

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Solution

The fourth proportional to 19,196,999.70, 28,795,499.55 and 12,022,546.20 is: 18,033,819.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,196,999.70 : 28,795,499.55 = 12,022,546.20 : x
  2. Step 2: Convert to fraction form
    19,196,999.70/28,795,499.55 = 12,022,546.20/x
  3. Step 3: Cross multiply
    19,196,999.70x = 28,795,499.55 × 12,022,546.20
  4. Step 4: Simplify right side
    19,196,999.70x = 346,195,223,691,954.19
  5. Step 5: Solve for x
    x = 346,195,223,691,954.19/19,196,999.70
  6. Step 6: Final answer
    x = 18,033,819.30

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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.