Home / 12,856,337.20-17,741,963.10-7,055,658.64

Finding the Fourth Proportional to 12,856,337.20, 17,741,963.10 and 7,055,658.64

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Solution

The fourth proportional to 12,856,337.20, 17,741,963.10 and 7,055,658.64 is: 9,736,928.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,856,337.20 : 17,741,963.10 = 7,055,658.64 : x
  2. Step 2: Convert to fraction form
    12,856,337.20/17,741,963.10 = 7,055,658.64/x
  3. Step 3: Cross multiply
    12,856,337.20x = 17,741,963.10 × 7,055,658.64
  4. Step 4: Simplify right side
    12,856,337.20x = 125,181,235,237,076.19
  5. Step 5: Solve for x
    x = 125,181,235,237,076.19/12,856,337.20
  6. Step 6: Final answer
    x = 9,736,928.43

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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.