Home / 7,028,211.54-10,540,249.23-3,187,812.21

Finding the Fourth Proportional to 7,028,211.54, 10,540,249.23 and 3,187,812.21

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Solution

The fourth proportional to 7,028,211.54, 10,540,249.23 and 3,187,812.21 is: 4,780,780.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028,211.54 : 10,540,249.23 = 3,187,812.21 : x
  2. Step 2: Convert to fraction form
    7,028,211.54/10,540,249.23 = 3,187,812.21/x
  3. Step 3: Cross multiply
    7,028,211.54x = 10,540,249.23 × 3,187,812.21
  4. Step 4: Simplify right side
    7,028,211.54x = 33,600,335,164,265.46
  5. Step 5: Solve for x
    x = 33,600,335,164,265.46/7,028,211.54
  6. Step 6: Final answer
    x = 4,780,780.28

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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.