Home / 30,987,974.27-42,764,066.94-17,049,369.47

Finding the Fourth Proportional to 30,987,974.27, 42,764,066.94 and 17,049,369.47

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Solution

The fourth proportional to 30,987,974.27, 42,764,066.94 and 17,049,369.47 is: 23,528,494.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,987,974.27 : 42,764,066.94 = 17,049,369.47 : x
  2. Step 2: Convert to fraction form
    30,987,974.27/42,764,066.94 = 17,049,369.47/x
  3. Step 3: Cross multiply
    30,987,974.27x = 42,764,066.94 × 17,049,369.47
  4. Step 4: Simplify right side
    30,987,974.27x = 729,100,377,299,872.25
  5. Step 5: Solve for x
    x = 729,100,377,299,872.25/30,987,974.27
  6. Step 6: Final answer
    x = 23,528,494.34

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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.