Home / 13,279,620.80-19,919,431.20-4,182,867.20

Finding the Fourth Proportional to 13,279,620.80, 19,919,431.20 and 4,182,867.20

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Solution

The fourth proportional to 13,279,620.80, 19,919,431.20 and 4,182,867.20 is: 6,274,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,279,620.80 : 19,919,431.20 = 4,182,867.20 : x
  2. Step 2: Convert to fraction form
    13,279,620.80/19,919,431.20 = 4,182,867.20/x
  3. Step 3: Cross multiply
    13,279,620.80x = 19,919,431.20 × 4,182,867.20
  4. Step 4: Simplify right side
    13,279,620.80x = 83,320,335,409,136.64
  5. Step 5: Solve for x
    x = 83,320,335,409,136.64/13,279,620.80
  6. Step 6: Final answer
    x = 6,274,300.80

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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.