Home / 20,146,237.94-27,738,063.12-18,305,185.70

Finding the Fourth Proportional to 20,146,237.94, 27,738,063.12 and 18,305,185.70

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Solution

The fourth proportional to 20,146,237.94, 27,738,063.12 and 18,305,185.70 is: 25,203,236.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,146,237.94 : 27,738,063.12 = 18,305,185.70 : x
  2. Step 2: Convert to fraction form
    20,146,237.94/27,738,063.12 = 18,305,185.70/x
  3. Step 3: Cross multiply
    20,146,237.94x = 27,738,063.12 × 18,305,185.70
  4. Step 4: Simplify right side
    20,146,237.94x = 507,750,396,369,921.38
  5. Step 5: Solve for x
    x = 507,750,396,369,921.38/20,146,237.94
  6. Step 6: Final answer
    x = 25,203,236.35

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1.5x scale

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.