Home / 12,388,091.54-17,083,669.92-8,035,589.76

Finding the Fourth Proportional to 12,388,091.54, 17,083,669.92 and 8,035,589.76

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Solution

The fourth proportional to 12,388,091.54, 17,083,669.92 and 8,035,589.76 is: 11,081,397.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,388,091.54 : 17,083,669.92 = 8,035,589.76 : x
  2. Step 2: Convert to fraction form
    12,388,091.54/17,083,669.92 = 8,035,589.76/x
  3. Step 3: Cross multiply
    12,388,091.54x = 17,083,669.92 × 8,035,589.76
  4. Step 4: Simplify right side
    12,388,091.54x = 137,277,363,072,372.03
  5. Step 5: Solve for x
    x = 137,277,363,072,372.03/12,388,091.54
  6. Step 6: Final answer
    x = 11,081,397.21

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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.