Home / 12,826,229.83-17,701,469.35-7,320,438.42

Finding the Fourth Proportional to 12,826,229.83, 17,701,469.35 and 7,320,438.42

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Solution

The fourth proportional to 12,826,229.83, 17,701,469.35 and 7,320,438.42 is: 10,102,931.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826,229.83 : 17,701,469.35 = 7,320,438.42 : x
  2. Step 2: Convert to fraction form
    12,826,229.83/17,701,469.35 = 7,320,438.42/x
  3. Step 3: Cross multiply
    12,826,229.83x = 17,701,469.35 × 7,320,438.42
  4. Step 4: Simplify right side
    12,826,229.83x = 129,582,516,320,192.44
  5. Step 5: Solve for x
    x = 129,582,516,320,192.44/12,826,229.83
  6. Step 6: Final answer
    x = 10,102,931.11

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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.