Home / 20,136,545.44-27,786,361.44-11,314,595.68

Finding the Fourth Proportional to 20,136,545.44, 27,786,361.44 and 11,314,595.68

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Solution

The fourth proportional to 20,136,545.44, 27,786,361.44 and 11,314,595.68 is: 15,612,978.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,136,545.44 : 27,786,361.44 = 11,314,595.68 : x
  2. Step 2: Convert to fraction form
    20,136,545.44/27,786,361.44 = 11,314,595.68/x
  3. Step 3: Cross multiply
    20,136,545.44x = 27,786,361.44 × 11,314,595.68
  4. Step 4: Simplify right side
    20,136,545.44x = 314,391,445,111,942.56
  5. Step 5: Solve for x
    x = 314,391,445,111,942.56/20,136,545.44
  6. Step 6: Final answer
    x = 15,612,978.21

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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.