Home / 15,040,448.39-20,756,070.92-8,164,930.25

Finding the Fourth Proportional to 15,040,448.39, 20,756,070.92 and 8,164,930.25

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Solution

The fourth proportional to 15,040,448.39, 20,756,070.92 and 8,164,930.25 is: 11,267,740.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,040,448.39 : 20,756,070.92 = 8,164,930.25 : x
  2. Step 2: Convert to fraction form
    15,040,448.39/20,756,070.92 = 8,164,930.25/x
  3. Step 3: Cross multiply
    15,040,448.39x = 20,756,070.92 × 8,164,930.25
  4. Step 4: Simplify right side
    15,040,448.39x = 169,471,871,285,028.66
  5. Step 5: Solve for x
    x = 169,471,871,285,028.66/15,040,448.39
  6. Step 6: Final answer
    x = 11,267,740.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.