Home / 15,141,629.30-20,895,342.13-8,266,111.36

Finding the Fourth Proportional to 15,141,629.30, 20,895,342.13 and 8,266,111.36

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Solution

The fourth proportional to 15,141,629.30, 20,895,342.13 and 8,266,111.36 is: 11,407,175.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141,629.30 : 20,895,342.13 = 8,266,111.36 : x
  2. Step 2: Convert to fraction form
    15,141,629.30/20,895,342.13 = 8,266,111.36/x
  3. Step 3: Cross multiply
    15,141,629.30x = 20,895,342.13 × 8,266,111.36
  4. Step 4: Simplify right side
    15,141,629.30x = 172,723,224,904,171.06
  5. Step 5: Solve for x
    x = 172,723,224,904,171.06/15,141,629.30
  6. Step 6: Final answer
    x = 11,407,175.64

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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.