Home / 12,674,515.80-18,980,767.98-11,446,296.60

Finding the Fourth Proportional to 12,674,515.80, 18,980,767.98 and 11,446,296.60

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Solution

The fourth proportional to 12,674,515.80, 18,980,767.98 and 11,446,296.60 is: 17,141,443.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,674,515.80 : 18,980,767.98 = 11,446,296.60 : x
  2. Step 2: Convert to fraction form
    12,674,515.80/18,980,767.98 = 11,446,296.60/x
  3. Step 3: Cross multiply
    12,674,515.80x = 18,980,767.98 × 11,446,296.60
  4. Step 4: Simplify right side
    12,674,515.80x = 217,259,499,994,862.88
  5. Step 5: Solve for x
    x = 217,259,499,994,862.88/12,674,515.80
  6. Step 6: Final answer
    x = 17,141,443.78

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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.