Home / 14,425,611.12-19,907,588.16-7,899,136.56

Finding the Fourth Proportional to 14,425,611.12, 19,907,588.16 and 7,899,136.56

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Solution

The fourth proportional to 14,425,611.12, 19,907,588.16 and 7,899,136.56 is: 10,900,942.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,425,611.12 : 19,907,588.16 = 7,899,136.56 : x
  2. Step 2: Convert to fraction form
    14,425,611.12/19,907,588.16 = 7,899,136.56/x
  3. Step 3: Cross multiply
    14,425,611.12x = 19,907,588.16 × 7,899,136.56
  4. Step 4: Simplify right side
    14,425,611.12x = 157,252,757,456,079.12
  5. Step 5: Solve for x
    x = 157,252,757,456,079.12/14,425,611.12
  6. Step 6: Final answer
    x = 10,900,942.51

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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.