Home / 18,305,705.12-27,296,824.69-18,141,401.27

Finding the Fourth Proportional to 18,305,705.12, 27,296,824.69 and 18,141,401.27

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Solution

The fourth proportional to 18,305,705.12, 27,296,824.69 and 18,141,401.27 is: 27,051,820.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,305,705.12 : 27,296,824.69 = 18,141,401.27 : x
  2. Step 2: Convert to fraction form
    18,305,705.12/27,296,824.69 = 18,141,401.27/x
  3. Step 3: Cross multiply
    18,305,705.12x = 27,296,824.69 × 18,141,401.27
  4. Step 4: Simplify right side
    18,305,705.12x = 495,202,650,098,133.38
  5. Step 5: Solve for x
    x = 495,202,650,098,133.38/18,305,705.12
  6. Step 6: Final answer
    x = 27,051,820.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.