Home / 13,628,153.28-20,451,320.72-7,068,907.44

Finding the Fourth Proportional to 13,628,153.28, 20,451,320.72 and 7,068,907.44

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Solution

The fourth proportional to 13,628,153.28, 20,451,320.72 and 7,068,907.44 is: 10,608,076.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,628,153.28 : 20,451,320.72 = 7,068,907.44 : x
  2. Step 2: Convert to fraction form
    13,628,153.28/20,451,320.72 = 7,068,907.44/x
  3. Step 3: Cross multiply
    13,628,153.28x = 20,451,320.72 × 7,068,907.44
  4. Step 4: Simplify right side
    13,628,153.28x = 144,568,493,195,434.16
  5. Step 5: Solve for x
    x = 144,568,493,195,434.16/13,628,153.28
  6. Step 6: Final answer
    x = 10,608,076.55

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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.