Home / 15,511,024.88-21,399,673.73-8,981,090

Finding the Fourth Proportional to 15,511,024.88, 21,399,673.73 and 8,981,090

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Solution

The fourth proportional to 15,511,024.88, 21,399,673.73 and 8,981,090 is: 12,390,696.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,511,024.88 : 21,399,673.73 = 8,981,090 : x
  2. Step 2: Convert to fraction form
    15,511,024.88/21,399,673.73 = 8,981,090/x
  3. Step 3: Cross multiply
    15,511,024.88x = 21,399,673.73 × 8,981,090
  4. Step 4: Simplify right side
    15,511,024.88x = 192,192,395,739,765.72
  5. Step 5: Solve for x
    x = 192,192,395,739,765.72/15,511,024.88
  6. Step 6: Final answer
    x = 12,390,696.12

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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.