Home / 18,622,480.48-27,940,544.16-7,842,495.04

Finding the Fourth Proportional to 18,622,480.48, 27,940,544.16 and 7,842,495.04

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Solution

The fourth proportional to 18,622,480.48, 27,940,544.16 and 7,842,495.04 is: 11,766,616.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622,480.48 : 27,940,544.16 = 7,842,495.04 : x
  2. Step 2: Convert to fraction form
    18,622,480.48/27,940,544.16 = 7,842,495.04/x
  3. Step 3: Cross multiply
    18,622,480.48x = 27,940,544.16 × 7,842,495.04
  4. Step 4: Simplify right side
    18,622,480.48x = 219,123,578,989,700.97
  5. Step 5: Solve for x
    x = 219,123,578,989,700.97/18,622,480.48
  6. Step 6: Final answer
    x = 11,766,616.12

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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.