Home / 13,348,256.68-18,419,215.62-8,191,835.56

Finding the Fourth Proportional to 13,348,256.68, 18,419,215.62 and 8,191,835.56

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Solution

The fourth proportional to 13,348,256.68, 18,419,215.62 and 8,191,835.56 is: 11,303,887.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348,256.68 : 18,419,215.62 = 8,191,835.56 : x
  2. Step 2: Convert to fraction form
    13,348,256.68/18,419,215.62 = 8,191,835.56/x
  3. Step 3: Cross multiply
    13,348,256.68x = 18,419,215.62 × 8,191,835.56
  4. Step 4: Simplify right side
    13,348,256.68x = 150,887,185,503,223.44
  5. Step 5: Solve for x
    x = 150,887,185,503,223.44/13,348,256.68
  6. Step 6: Final answer
    x = 11,303,887.03

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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.