Home / 18,214,993.20-27,445,383.98-15,047,490.63

Finding the Fourth Proportional to 18,214,993.20, 27,445,383.98 and 15,047,490.63

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Solution

The fourth proportional to 18,214,993.20, 27,445,383.98 and 15,047,490.63 is: 22,672,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,214,993.20 : 27,445,383.98 = 15,047,490.63 : x
  2. Step 2: Convert to fraction form
    18,214,993.20/27,445,383.98 = 15,047,490.63/x
  3. Step 3: Cross multiply
    18,214,993.20x = 27,445,383.98 × 15,047,490.63
  4. Step 4: Simplify right side
    18,214,993.20x = 412,984,158,359,912.94
  5. Step 5: Solve for x
    x = 412,984,158,359,912.94/18,214,993.20
  6. Step 6: Final answer
    x = 22,672,759.40

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.