Home / 31,093,838.03-42,923,255.13-20,085,954.17

Finding the Fourth Proportional to 31,093,838.03, 42,923,255.13 and 20,085,954.17

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Solution

The fourth proportional to 31,093,838.03, 42,923,255.13 and 20,085,954.17 is: 27,727,504.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,093,838.03 : 42,923,255.13 = 20,085,954.17 : x
  2. Step 2: Convert to fraction form
    31,093,838.03/42,923,255.13 = 20,085,954.17/x
  3. Step 3: Cross multiply
    31,093,838.03x = 42,923,255.13 × 20,085,954.17
  4. Step 4: Simplify right side
    31,093,838.03x = 862,154,535,153,781.12
  5. Step 5: Solve for x
    x = 862,154,535,153,781.12/31,093,838.03
  6. Step 6: Final answer
    x = 27,727,504.54

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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.