Home / 11,177,721.30-16,786,857.15-9,784,262.10

Finding the Fourth Proportional to 11,177,721.30, 16,786,857.15 and 9,784,262.10

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Solution

The fourth proportional to 11,177,721.30, 16,786,857.15 and 9,784,262.10 is: 14,694,140.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177,721.30 : 16,786,857.15 = 9,784,262.10 : x
  2. Step 2: Convert to fraction form
    11,177,721.30/16,786,857.15 = 9,784,262.10/x
  3. Step 3: Cross multiply
    11,177,721.30x = 16,786,857.15 × 9,784,262.10
  4. Step 4: Simplify right side
    11,177,721.30x = 164,247,010,190,859
  5. Step 5: Solve for x
    x = 164,247,010,190,859/11,177,721.30
  6. Step 6: Final answer
    x = 14,694,140.76

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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.