Home / 15,348,647.26-21,181,200.87-8,473,185.82

Finding the Fourth Proportional to 15,348,647.26, 21,181,200.87 and 8,473,185.82

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Solution

The fourth proportional to 15,348,647.26, 21,181,200.87 and 8,473,185.82 is: 11,693,033.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,348,647.26 : 21,181,200.87 = 8,473,185.82 : x
  2. Step 2: Convert to fraction form
    15,348,647.26/21,181,200.87 = 8,473,185.82/x
  3. Step 3: Cross multiply
    15,348,647.26x = 21,181,200.87 × 8,473,185.82
  4. Step 4: Simplify right side
    15,348,647.26x = 179,472,250,862,255.69
  5. Step 5: Solve for x
    x = 179,472,250,862,255.69/15,348,647.26
  6. Step 6: Final answer
    x = 11,693,033.78

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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.