Home / 7,438,018.88-11,157,010.04-4,198,087.76

Finding the Fourth Proportional to 7,438,018.88, 11,157,010.04 and 4,198,087.76

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Solution

The fourth proportional to 7,438,018.88, 11,157,010.04 and 4,198,087.76 is: 6,297,121.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438,018.88 : 11,157,010.04 = 4,198,087.76 : x
  2. Step 2: Convert to fraction form
    7,438,018.88/11,157,010.04 = 4,198,087.76/x
  3. Step 3: Cross multiply
    7,438,018.88x = 11,157,010.04 × 4,198,087.76
  4. Step 4: Simplify right side
    7,438,018.88x = 46,838,107,287,121.10
  5. Step 5: Solve for x
    x = 46,838,107,287,121.10/7,438,018.88
  6. Step 6: Final answer
    x = 6,297,121.32

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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.