Home / 12,620,524.68-17,445,744.90-11,257,378.38

Finding the Fourth Proportional to 12,620,524.68, 17,445,744.90 and 11,257,378.38

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Solution

The fourth proportional to 12,620,524.68, 17,445,744.90 and 11,257,378.38 is: 15,561,425.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,620,524.68 : 17,445,744.90 = 11,257,378.38 : x
  2. Step 2: Convert to fraction form
    12,620,524.68/17,445,744.90 = 11,257,378.38/x
  3. Step 3: Cross multiply
    12,620,524.68x = 17,445,744.90 × 11,257,378.38
  4. Step 4: Simplify right side
    12,620,524.68x = 196,393,351,460,255.25
  5. Step 5: Solve for x
    x = 196,393,351,460,255.25/12,620,524.68
  6. Step 6: Final answer
    x = 15,561,425.25

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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.