Home / 15,978,048.30-23,967,072.45-13,320,843.30

Finding the Fourth Proportional to 15,978,048.30, 23,967,072.45 and 13,320,843.30

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Solution

The fourth proportional to 15,978,048.30, 23,967,072.45 and 13,320,843.30 is: 19,981,264.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,978,048.30 : 23,967,072.45 = 13,320,843.30 : x
  2. Step 2: Convert to fraction form
    15,978,048.30/23,967,072.45 = 13,320,843.30/x
  3. Step 3: Cross multiply
    15,978,048.30x = 23,967,072.45 × 13,320,843.30
  4. Step 4: Simplify right side
    15,978,048.30x = 319,261,616,466,197.06
  5. Step 5: Solve for x
    x = 319,261,616,466,197.06/15,978,048.30
  6. Step 6: Final answer
    x = 19,981,264.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.