Home / 9,563,791.50-13,198,040.78-5,212,790.64

Finding the Fourth Proportional to 9,563,791.50, 13,198,040.78 and 5,212,790.64

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Solution

The fourth proportional to 9,563,791.50, 13,198,040.78 and 5,212,790.64 is: 7,193,655.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,563,791.50 : 13,198,040.78 = 5,212,790.64 : x
  2. Step 2: Convert to fraction form
    9,563,791.50/13,198,040.78 = 5,212,790.64/x
  3. Step 3: Cross multiply
    9,563,791.50x = 13,198,040.78 × 5,212,790.64
  4. Step 4: Simplify right side
    9,563,791.50x = 68,798,623,418,258.34
  5. Step 5: Solve for x
    x = 68,798,623,418,258.34/9,563,791.50
  6. Step 6: Final answer
    x = 7,193,655.72

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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.