Home / 13,770,800.51-20,655,453.24-4,185,431.69

Finding the Fourth Proportional to 13,770,800.51, 20,655,453.24 and 4,185,431.69

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Solution

The fourth proportional to 13,770,800.51, 20,655,453.24 and 4,185,431.69 is: 6,277,920.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,770,800.51 : 20,655,453.24 = 4,185,431.69 : x
  2. Step 2: Convert to fraction form
    13,770,800.51/20,655,453.24 = 4,185,431.69/x
  3. Step 3: Cross multiply
    13,770,800.51x = 20,655,453.24 × 4,185,431.69
  4. Step 4: Simplify right side
    13,770,800.51x = 86,451,988,458,731.91
  5. Step 5: Solve for x
    x = 86,451,988,458,731.91/13,770,800.51
  6. Step 6: Final answer
    x = 6,277,920.33

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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.