Home / 13,628,149.79-20,451,315.45-7,068,903.95

Finding the Fourth Proportional to 13,628,149.79, 20,451,315.45 and 7,068,903.95

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Solution

The fourth proportional to 13,628,149.79, 20,451,315.45 and 7,068,903.95 is: 10,608,071.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,628,149.79 : 20,451,315.45 = 7,068,903.95 : x
  2. Step 2: Convert to fraction form
    13,628,149.79/20,451,315.45 = 7,068,903.95/x
  3. Step 3: Cross multiply
    13,628,149.79x = 20,451,315.45 × 7,068,903.95
  4. Step 4: Simplify right side
    13,628,149.79x = 144,568,384,567,201.03
  5. Step 5: Solve for x
    x = 144,568,384,567,201.03/13,628,149.79
  6. Step 6: Final answer
    x = 10,608,071.29

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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.