Home / 7,182,261.73-9,911,760.12-3,919,255.48

Finding the Fourth Proportional to 7,182,261.73, 9,911,760.12 and 3,919,255.48

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Solution

The fourth proportional to 7,182,261.73, 9,911,760.12 and 3,919,255.48 is: 5,408,702.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182,261.73 : 9,911,760.12 = 3,919,255.48 : x
  2. Step 2: Convert to fraction form
    7,182,261.73/9,911,760.12 = 3,919,255.48/x
  3. Step 3: Cross multiply
    7,182,261.73x = 9,911,760.12 × 3,919,255.48
  4. Step 4: Simplify right side
    7,182,261.73x = 38,846,720,166,755.45
  5. Step 5: Solve for x
    x = 38,846,720,166,755.45/7,182,261.73
  6. Step 6: Final answer
    x = 5,408,702.94

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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.