Home / 20,199,180.20-27,875,045.70-11,497,912.28

Finding the Fourth Proportional to 20,199,180.20, 27,875,045.70 and 11,497,912.28

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Solution

The fourth proportional to 20,199,180.20, 27,875,045.70 and 11,497,912.28 is: 15,867,219.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199,180.20 : 27,875,045.70 = 11,497,912.28 : x
  2. Step 2: Convert to fraction form
    20,199,180.20/27,875,045.70 = 11,497,912.28/x
  3. Step 3: Cross multiply
    20,199,180.20x = 27,875,045.70 × 11,497,912.28
  4. Step 4: Simplify right side
    20,199,180.20x = 320,504,830,381,544.56
  5. Step 5: Solve for x
    x = 320,504,830,381,544.56/20,199,180.20
  6. Step 6: Final answer
    x = 15,867,219.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.