Home / 12,136,502.70-18,204,754.05-11,016,758.70

Finding the Fourth Proportional to 12,136,502.70, 18,204,754.05 and 11,016,758.70

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Solution

The fourth proportional to 12,136,502.70, 18,204,754.05 and 11,016,758.70 is: 16,525,138.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136,502.70 : 18,204,754.05 = 11,016,758.70 : x
  2. Step 2: Convert to fraction form
    12,136,502.70/18,204,754.05 = 11,016,758.70/x
  3. Step 3: Cross multiply
    12,136,502.70x = 18,204,754.05 × 11,016,758.70
  4. Step 4: Simplify right side
    12,136,502.70x = 200,557,382,561,697.72
  5. Step 5: Solve for x
    x = 200,557,382,561,697.72/12,136,502.70
  6. Step 6: Final answer
    x = 16,525,138.05

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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.