Home / 18,211,263.69-25,131,239.11-9,951,135.49

Finding the Fourth Proportional to 18,211,263.69, 25,131,239.11 and 9,951,135.49

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Solution

The fourth proportional to 18,211,263.69, 25,131,239.11 and 9,951,135.49 is: 13,732,400.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,211,263.69 : 25,131,239.11 = 9,951,135.49 : x
  2. Step 2: Convert to fraction form
    18,211,263.69/25,131,239.11 = 9,951,135.49/x
  3. Step 3: Cross multiply
    18,211,263.69x = 25,131,239.11 × 9,951,135.49
  4. Step 4: Simplify right side
    18,211,263.69x = 250,084,365,415,197
  5. Step 5: Solve for x
    x = 250,084,365,415,197/18,211,263.69
  6. Step 6: Final answer
    x = 13,732,400.43

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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.