Home / 15,270,521.25-21,073,755.48-9,310,272.03

Finding the Fourth Proportional to 15,270,521.25, 21,073,755.48 and 9,310,272.03

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Solution

The fourth proportional to 15,270,521.25, 21,073,755.48 and 9,310,272.03 is: 12,848,441.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,270,521.25 : 21,073,755.48 = 9,310,272.03 : x
  2. Step 2: Convert to fraction form
    15,270,521.25/21,073,755.48 = 9,310,272.03/x
  3. Step 3: Cross multiply
    15,270,521.25x = 21,073,755.48 × 9,310,272.03
  4. Step 4: Simplify right side
    15,270,521.25x = 196,202,396,212,503.22
  5. Step 5: Solve for x
    x = 196,202,396,212,503.22/15,270,521.25
  6. Step 6: Final answer
    x = 12,848,441.32

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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.