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Finding the Fourth Proportional to 14,760,721.19, 20,373,847.24 and 8,567,763.06

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Solution

The fourth proportional to 14,760,721.19, 20,373,847.24 and 8,567,763.06 is: 11,825,864.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,760,721.19 : 20,373,847.24 = 8,567,763.06 : x
  2. Step 2: Convert to fraction form
    14,760,721.19/20,373,847.24 = 8,567,763.06/x
  3. Step 3: Cross multiply
    14,760,721.19x = 20,373,847.24 × 8,567,763.06
  4. Step 4: Simplify right side
    14,760,721.19x = 174,558,295,628,246.91
  5. Step 5: Solve for x
    x = 174,558,295,628,246.91/14,760,721.19
  6. Step 6: Final answer
    x = 11,825,864.97

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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.