Home / 15,266,270.61-21,067,616.21-8,296,948.13

Finding the Fourth Proportional to 15,266,270.61, 21,067,616.21 and 8,296,948.13

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Solution

The fourth proportional to 15,266,270.61, 21,067,616.21 and 8,296,948.13 is: 11,449,876.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,266,270.61 : 21,067,616.21 = 8,296,948.13 : x
  2. Step 2: Convert to fraction form
    15,266,270.61/21,067,616.21 = 8,296,948.13/x
  3. Step 3: Cross multiply
    15,266,270.61x = 21,067,616.21 × 8,296,948.13
  4. Step 4: Simplify right side
    15,266,270.61x = 174,796,918,770,294.34
  5. Step 5: Solve for x
    x = 174,796,918,770,294.34/15,266,270.61
  6. Step 6: Final answer
    x = 11,449,876.87

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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.