Home / 15,904,564.84-21,961,243.02-12,964,843.18

Finding the Fourth Proportional to 15,904,564.84, 21,961,243.02 and 12,964,843.18

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Solution

The fourth proportional to 15,904,564.84, 21,961,243.02 and 12,964,843.18 is: 17,902,034.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,904,564.84 : 21,961,243.02 = 12,964,843.18 : x
  2. Step 2: Convert to fraction form
    15,904,564.84/21,961,243.02 = 12,964,843.18/x
  3. Step 3: Cross multiply
    15,904,564.84x = 21,961,243.02 × 12,964,843.18
  4. Step 4: Simplify right side
    15,904,564.84x = 284,724,071,792,169.56
  5. Step 5: Solve for x
    x = 284,724,071,792,169.56/15,904,564.84
  6. Step 6: Final answer
    x = 17,902,034.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.