Home / 39,302,868.55-54,235,745.27-21,661,717.66

Finding the Fourth Proportional to 39,302,868.55, 54,235,745.27 and 21,661,717.66

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Solution

The fourth proportional to 39,302,868.55, 54,235,745.27 and 21,661,717.66 is: 29,891,950.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,302,868.55 : 54,235,745.27 = 21,661,717.66 : x
  2. Step 2: Convert to fraction form
    39,302,868.55/54,235,745.27 = 21,661,717.66/x
  3. Step 3: Cross multiply
    39,302,868.55x = 54,235,745.27 × 21,661,717.66
  4. Step 4: Simplify right side
    39,302,868.55x = 1,174,839,401,260,884.25
  5. Step 5: Solve for x
    x = 1,174,839,401,260,884.25/39,302,868.55
  6. Step 6: Final answer
    x = 29,891,950.50

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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.