Home / 9,147,669-13,721,787.81-3,391,834.92

Finding the Fourth Proportional to 9,147,669, 13,721,787.81 and 3,391,834.92

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Solution

The fourth proportional to 9,147,669, 13,721,787.81 and 3,391,834.92 is: 5,087,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147,669 : 13,721,787.81 = 3,391,834.92 : x
  2. Step 2: Convert to fraction form
    9,147,669/13,721,787.81 = 3,391,834.92/x
  3. Step 3: Cross multiply
    9,147,669x = 13,721,787.81 × 3,391,834.92
  4. Step 4: Simplify right side
    9,147,669x = 46,542,039,058,788.33
  5. Step 5: Solve for x
    x = 46,542,039,058,788.33/9,147,669
  6. Step 6: Final answer
    x = 5,087,857.80

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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.