Home / 18,251,925.39-25,187,657.54-10,103,163.39

Finding the Fourth Proportional to 18,251,925.39, 25,187,657.54 and 10,103,163.39

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Solution

The fourth proportional to 18,251,925.39, 25,187,657.54 and 10,103,163.39 is: 13,942,365.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251,925.39 : 25,187,657.54 = 10,103,163.39 : x
  2. Step 2: Convert to fraction form
    18,251,925.39/25,187,657.54 = 10,103,163.39/x
  3. Step 3: Cross multiply
    18,251,925.39x = 25,187,657.54 × 10,103,163.39
  4. Step 4: Simplify right side
    18,251,925.39x = 254,475,019,487,469.66
  5. Step 5: Solve for x
    x = 254,475,019,487,469.66/18,251,925.39
  6. Step 6: Final answer
    x = 13,942,365.75

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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.