Home / 13,027,795.20-19,542,859.20-5,453,193.60

Finding the Fourth Proportional to 13,027,795.20, 19,542,859.20 and 5,453,193.60

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Solution

The fourth proportional to 13,027,795.20, 19,542,859.20 and 5,453,193.60 is: 8,180,278.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,027,795.20 : 19,542,859.20 = 5,453,193.60 : x
  2. Step 2: Convert to fraction form
    13,027,795.20/19,542,859.20 = 5,453,193.60/x
  3. Step 3: Cross multiply
    13,027,795.20x = 19,542,859.20 × 5,453,193.60
  4. Step 4: Simplify right side
    13,027,795.20x = 106,570,994,715,141.11
  5. Step 5: Solve for x
    x = 106,570,994,715,141.11/13,027,795.20
  6. Step 6: Final answer
    x = 8,180,278.63

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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.