Home / 7,679,546.49-11,519,981.24-1,999,781.13

Finding the Fourth Proportional to 7,679,546.49, 11,519,981.24 and 1,999,781.13

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Solution

The fourth proportional to 7,679,546.49, 11,519,981.24 and 1,999,781.13 is: 2,999,843.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679,546.49 : 11,519,981.24 = 1,999,781.13 : x
  2. Step 2: Convert to fraction form
    7,679,546.49/11,519,981.24 = 1,999,781.13/x
  3. Step 3: Cross multiply
    7,679,546.49x = 11,519,981.24 × 1,999,781.13
  4. Step 4: Simplify right side
    7,679,546.49x = 23,037,441,091,707.09
  5. Step 5: Solve for x
    x = 23,037,441,091,707.09/7,679,546.49
  6. Step 6: Final answer
    x = 2,999,843.95

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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.