Home / 18,453,038.80-27,687,431.40-8,863,481.20

Finding the Fourth Proportional to 18,453,038.80, 27,687,431.40 and 8,863,481.20

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Solution

The fourth proportional to 18,453,038.80, 27,687,431.40 and 8,863,481.20 is: 13,299,003.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453,038.80 : 27,687,431.40 = 8,863,481.20 : x
  2. Step 2: Convert to fraction form
    18,453,038.80/27,687,431.40 = 8,863,481.20/x
  3. Step 3: Cross multiply
    18,453,038.80x = 27,687,431.40 × 8,863,481.20
  4. Step 4: Simplify right side
    18,453,038.80x = 245,407,027,690,189.66
  5. Step 5: Solve for x
    x = 245,407,027,690,189.66/18,453,038.80
  6. Step 6: Final answer
    x = 13,299,003.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.