Home / 13,628,157.20-20,451,326.53-7,068,911.36

Finding the Fourth Proportional to 13,628,157.20, 20,451,326.53 and 7,068,911.36

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Solution

The fourth proportional to 13,628,157.20, 20,451,326.53 and 7,068,911.36 is: 10,608,082.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,628,157.20 : 20,451,326.53 = 7,068,911.36 : x
  2. Step 2: Convert to fraction form
    13,628,157.20/20,451,326.53 = 7,068,911.36/x
  3. Step 3: Cross multiply
    13,628,157.20x = 20,451,326.53 × 7,068,911.36
  4. Step 4: Simplify right side
    13,628,157.20x = 144,568,614,315,057.47
  5. Step 5: Solve for x
    x = 144,568,614,315,057.47/13,628,157.20
  6. Step 6: Final answer
    x = 10,608,082.39

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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.