Home / 27,745,523.28-38,288,540.04-15,355,640.76

Finding the Fourth Proportional to 27,745,523.28, 38,288,540.04 and 15,355,640.76

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Solution

The fourth proportional to 27,745,523.28, 38,288,540.04 and 15,355,640.76 is: 21,190,628.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,745,523.28 : 38,288,540.04 = 15,355,640.76 : x
  2. Step 2: Convert to fraction form
    27,745,523.28/38,288,540.04 = 15,355,640.76/x
  3. Step 3: Cross multiply
    27,745,523.28x = 38,288,540.04 × 15,355,640.76
  4. Step 4: Simplify right side
    27,745,523.28x = 587,945,066,079,116
  5. Step 5: Solve for x
    x = 587,945,066,079,116/27,745,523.28
  6. Step 6: Final answer
    x = 21,190,628.13

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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.