Home / 18,574,012.80-27,805,906.80-13,802,853.60

Finding the Fourth Proportional to 18,574,012.80, 27,805,906.80 and 13,802,853.60

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Solution

The fourth proportional to 18,574,012.80, 27,805,906.80 and 13,802,853.60 is: 20,663,324.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,574,012.80 : 27,805,906.80 = 13,802,853.60 : x
  2. Step 2: Convert to fraction form
    18,574,012.80/27,805,906.80 = 13,802,853.60/x
  3. Step 3: Cross multiply
    18,574,012.80x = 27,805,906.80 × 13,802,853.60
  4. Step 4: Simplify right side
    18,574,012.80x = 383,800,860,775,644.50
  5. Step 5: Solve for x
    x = 383,800,860,775,644.50/18,574,012.80
  6. Step 6: Final answer
    x = 20,663,324.88

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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.