Home / 13,532,881.80-20,299,322.70-3,949,229.10

Finding the Fourth Proportional to 13,532,881.80, 20,299,322.70 and 3,949,229.10

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Solution

The fourth proportional to 13,532,881.80, 20,299,322.70 and 3,949,229.10 is: 5,923,843.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532,881.80 : 20,299,322.70 = 3,949,229.10 : x
  2. Step 2: Convert to fraction form
    13,532,881.80/20,299,322.70 = 3,949,229.10/x
  3. Step 3: Cross multiply
    13,532,881.80x = 20,299,322.70 × 3,949,229.10
  4. Step 4: Simplify right side
    13,532,881.80x = 80,166,675,917,130.56
  5. Step 5: Solve for x
    x = 80,166,675,917,130.56/13,532,881.80
  6. Step 6: Final answer
    x = 5,923,843.65

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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.