Home / 12,538,496.50-17,305,016.47-7,646,556.33

Finding the Fourth Proportional to 12,538,496.50, 17,305,016.47 and 7,646,556.33

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Solution

The fourth proportional to 12,538,496.50, 17,305,016.47 and 7,646,556.33 is: 10,553,401.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,538,496.50 : 17,305,016.47 = 7,646,556.33 : x
  2. Step 2: Convert to fraction form
    12,538,496.50/17,305,016.47 = 7,646,556.33/x
  3. Step 3: Cross multiply
    12,538,496.50x = 17,305,016.47 × 7,646,556.33
  4. Step 4: Simplify right side
    12,538,496.50x = 132,323,783,210,316.38
  5. Step 5: Solve for x
    x = 132,323,783,210,316.38/12,538,496.50
  6. Step 6: Final answer
    x = 10,553,401.14

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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.