Home / 11,721,515.27-16,170,538.41-7,072,707.38

Finding the Fourth Proportional to 11,721,515.27, 16,170,538.41 and 7,072,707.38

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Solution

The fourth proportional to 11,721,515.27, 16,170,538.41 and 7,072,707.38 is: 9,757,227.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,721,515.27 : 16,170,538.41 = 7,072,707.38 : x
  2. Step 2: Convert to fraction form
    11,721,515.27/16,170,538.41 = 7,072,707.38/x
  3. Step 3: Cross multiply
    11,721,515.27x = 16,170,538.41 × 7,072,707.38
  4. Step 4: Simplify right side
    11,721,515.27x = 114,369,486,270,127.78
  5. Step 5: Solve for x
    x = 114,369,486,270,127.78/11,721,515.27
  6. Step 6: Final answer
    x = 9,757,227.09

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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.