Home / 15,259,941.54-21,053,511.09-9,456,605.82

Finding the Fourth Proportional to 15,259,941.54, 21,053,511.09 and 9,456,605.82

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Solution

The fourth proportional to 15,259,941.54, 21,053,511.09 and 9,456,605.82 is: 13,046,888.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,259,941.54 : 21,053,511.09 = 9,456,605.82 : x
  2. Step 2: Convert to fraction form
    15,259,941.54/21,053,511.09 = 9,456,605.82/x
  3. Step 3: Cross multiply
    15,259,941.54x = 21,053,511.09 × 9,456,605.82
  4. Step 4: Simplify right side
    15,259,941.54x = 199,094,755,505,128.56
  5. Step 5: Solve for x
    x = 199,094,755,505,128.56/15,259,941.54
  6. Step 6: Final answer
    x = 13,046,888.48

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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.