Home / 13,642,132.11-20,445,427.58-5,545,650.35

Finding the Fourth Proportional to 13,642,132.11, 20,445,427.58 and 5,545,650.35

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Solution

The fourth proportional to 13,642,132.11, 20,445,427.58 and 5,545,650.35 is: 8,311,251.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,642,132.11 : 20,445,427.58 = 5,545,650.35 : x
  2. Step 2: Convert to fraction form
    13,642,132.11/20,445,427.58 = 5,545,650.35/x
  3. Step 3: Cross multiply
    13,642,132.11x = 20,445,427.58 × 5,545,650.35
  4. Step 4: Simplify right side
    13,642,132.11x = 113,383,192,484,971.25
  5. Step 5: Solve for x
    x = 113,383,192,484,971.25/13,642,132.11
  6. Step 6: Final answer
    x = 8,311,251.61

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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.