Home / 11,109,190.80-16,663,786.20-9,219,622.80

Finding the Fourth Proportional to 11,109,190.80, 16,663,786.20 and 9,219,622.80

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Solution

The fourth proportional to 11,109,190.80, 16,663,786.20 and 9,219,622.80 is: 13,829,434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,109,190.80 : 16,663,786.20 = 9,219,622.80 : x
  2. Step 2: Convert to fraction form
    11,109,190.80/16,663,786.20 = 9,219,622.80/x
  3. Step 3: Cross multiply
    11,109,190.80x = 16,663,786.20 × 9,219,622.80
  4. Step 4: Simplify right side
    11,109,190.80x = 153,633,823,183,845.38
  5. Step 5: Solve for x
    x = 153,633,823,183,845.38/11,109,190.80
  6. Step 6: Final answer
    x = 13,829,434.20

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Double scale
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1.5x scale

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.