Home / 15,144,883.36-20,899,834.32-8,269,361.44

Finding the Fourth Proportional to 15,144,883.36, 20,899,834.32 and 8,269,361.44

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Solution

The fourth proportional to 15,144,883.36, 20,899,834.32 and 8,269,361.44 is: 11,411,661.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,144,883.36 : 20,899,834.32 = 8,269,361.44 : x
  2. Step 2: Convert to fraction form
    15,144,883.36/20,899,834.32 = 8,269,361.44/x
  3. Step 3: Cross multiply
    15,144,883.36x = 20,899,834.32 × 8,269,361.44
  4. Step 4: Simplify right side
    15,144,883.36x = 172,828,284,028,196.62
  5. Step 5: Solve for x
    x = 172,828,284,028,196.62/15,144,883.36
  6. Step 6: Final answer
    x = 11,411,661.61

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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.