Home / 7,284,179.76-10,052,192.13-4,020,986.72

Finding the Fourth Proportional to 7,284,179.76, 10,052,192.13 and 4,020,986.72

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Solution

The fourth proportional to 7,284,179.76, 10,052,192.13 and 4,020,986.72 is: 5,548,974.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,284,179.76 : 10,052,192.13 = 4,020,986.72 : x
  2. Step 2: Convert to fraction form
    7,284,179.76/10,052,192.13 = 4,020,986.72/x
  3. Step 3: Cross multiply
    7,284,179.76x = 10,052,192.13 × 4,020,986.72
  4. Step 4: Simplify right side
    7,284,179.76x = 40,419,731,061,618.52
  5. Step 5: Solve for x
    x = 40,419,731,061,618.52/7,284,179.76
  6. Step 6: Final answer
    x = 5,548,974.96

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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.