Home / 13,657,754.78-20,449,921.37-10,403,791.57

Finding the Fourth Proportional to 13,657,754.78, 20,449,921.37 and 10,403,791.57

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Solution

The fourth proportional to 13,657,754.78, 20,449,921.37 and 10,403,791.57 is: 15,577,722.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,657,754.78 : 20,449,921.37 = 10,403,791.57 : x
  2. Step 2: Convert to fraction form
    13,657,754.78/20,449,921.37 = 10,403,791.57/x
  3. Step 3: Cross multiply
    13,657,754.78x = 20,449,921.37 × 10,403,791.57
  4. Step 4: Simplify right side
    13,657,754.78x = 212,756,719,504,349.88
  5. Step 5: Solve for x
    x = 212,756,719,504,349.88/13,657,754.78
  6. Step 6: Final answer
    x = 15,577,722.91

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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.