Home / 30,378,919.50-41,923,302.57-16,627,588.38

Finding the Fourth Proportional to 30,378,919.50, 41,923,302.57 and 16,627,588.38

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Solution

The fourth proportional to 30,378,919.50, 41,923,302.57 and 16,627,588.38 is: 22,946,287.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,378,919.50 : 41,923,302.57 = 16,627,588.38 : x
  2. Step 2: Convert to fraction form
    30,378,919.50/41,923,302.57 = 16,627,588.38/x
  3. Step 3: Cross multiply
    30,378,919.50x = 41,923,302.57 × 16,627,588.38
  4. Step 4: Simplify right side
    30,378,919.50x = 697,083,418,664,156.12
  5. Step 5: Solve for x
    x = 697,083,418,664,156.12/30,378,919.50
  6. Step 6: Final answer
    x = 22,946,287.43

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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.