Home / 15,982,020.89-22,049,792.01-9,101,631.41

Finding the Fourth Proportional to 15,982,020.89, 22,049,792.01 and 9,101,631.41

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Solution

The fourth proportional to 15,982,020.89, 22,049,792.01 and 9,101,631.41 is: 12,557,177.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982,020.89 : 22,049,792.01 = 9,101,631.41 : x
  2. Step 2: Convert to fraction form
    15,982,020.89/22,049,792.01 = 9,101,631.41/x
  3. Step 3: Cross multiply
    15,982,020.89x = 22,049,792.01 × 9,101,631.41
  4. Step 4: Simplify right side
    15,982,020.89x = 200,689,079,431,934.06
  5. Step 5: Solve for x
    x = 200,689,079,431,934.06/15,982,020.89
  6. Step 6: Final answer
    x = 12,557,177.90

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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.