Home / 13,874,921.73-19,147,428.44-7,680,395.61

Finding the Fourth Proportional to 13,874,921.73, 19,147,428.44 and 7,680,395.61

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Solution

The fourth proportional to 13,874,921.73, 19,147,428.44 and 7,680,395.61 is: 10,598,966.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,874,921.73 : 19,147,428.44 = 7,680,395.61 : x
  2. Step 2: Convert to fraction form
    13,874,921.73/19,147,428.44 = 7,680,395.61/x
  3. Step 3: Cross multiply
    13,874,921.73x = 19,147,428.44 × 7,680,395.61
  4. Step 4: Simplify right side
    13,874,921.73x = 147,059,825,294,963.16
  5. Step 5: Solve for x
    x = 147,059,825,294,963.16/13,874,921.73
  6. Step 6: Final answer
    x = 10,598,966.12

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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.