Home / 17,721,040.10-26,587,465.05-15,816,163.10

Finding the Fourth Proportional to 17,721,040.10, 26,587,465.05 and 15,816,163.10

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Solution

The fourth proportional to 17,721,040.10, 26,587,465.05 and 15,816,163.10 is: 23,729,514.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,721,040.10 : 26,587,465.05 = 15,816,163.10 : x
  2. Step 2: Convert to fraction form
    17,721,040.10/26,587,465.05 = 15,816,163.10/x
  3. Step 3: Cross multiply
    17,721,040.10x = 26,587,465.05 × 15,816,163.10
  4. Step 4: Simplify right side
    17,721,040.10x = 420,511,683,646,349.69
  5. Step 5: Solve for x
    x = 420,511,683,646,349.69/17,721,040.10
  6. Step 6: Final answer
    x = 23,729,514.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.