Home / 11,008,136.70-16,512,205.05-9,378,384.30

Finding the Fourth Proportional to 11,008,136.70, 16,512,205.05 and 9,378,384.30

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Solution

The fourth proportional to 11,008,136.70, 16,512,205.05 and 9,378,384.30 is: 14,067,576.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,008,136.70 : 16,512,205.05 = 9,378,384.30 : x
  2. Step 2: Convert to fraction form
    11,008,136.70/16,512,205.05 = 9,378,384.30/x
  3. Step 3: Cross multiply
    11,008,136.70x = 16,512,205.05 × 9,378,384.30
  4. Step 4: Simplify right side
    11,008,136.70x = 154,857,804,599,300.72
  5. Step 5: Solve for x
    x = 154,857,804,599,300.72/11,008,136.70
  6. Step 6: Final answer
    x = 14,067,576.45

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Double scale
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Similar ratio
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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.