Home / 15,215,004.95-20,998,960.37-9,633,770.22

Finding the Fourth Proportional to 15,215,004.95, 20,998,960.37 and 9,633,770.22

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Solution

The fourth proportional to 15,215,004.95, 20,998,960.37 and 9,633,770.22 is: 13,296,029.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,215,004.95 : 20,998,960.37 = 9,633,770.22 : x
  2. Step 2: Convert to fraction form
    15,215,004.95/20,998,960.37 = 9,633,770.22/x
  3. Step 3: Cross multiply
    15,215,004.95x = 20,998,960.37 × 9,633,770.22
  4. Step 4: Simplify right side
    15,215,004.95x = 202,299,159,015,297.34
  5. Step 5: Solve for x
    x = 202,299,159,015,297.34/15,215,004.95
  6. Step 6: Final answer
    x = 13,296,029.79

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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.