Home / 7,261,729.11-10,021,260.51-3,998,847.24

Finding the Fourth Proportional to 7,261,729.11, 10,021,260.51 and 3,998,847.24

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Solution

The fourth proportional to 7,261,729.11, 10,021,260.51 and 3,998,847.24 is: 5,518,450.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261,729.11 : 10,021,260.51 = 3,998,847.24 : x
  2. Step 2: Convert to fraction form
    7,261,729.11/10,021,260.51 = 3,998,847.24/x
  3. Step 3: Cross multiply
    7,261,729.11x = 10,021,260.51 × 3,998,847.24
  4. Step 4: Simplify right side
    7,261,729.11x = 40,073,489,931,734.49
  5. Step 5: Solve for x
    x = 40,073,489,931,734.49/7,261,729.11
  6. Step 6: Final answer
    x = 5,518,450.13

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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.