Home / 18,191,711.48-27,287,567.24-7,416,745.20

Finding the Fourth Proportional to 18,191,711.48, 27,287,567.24 and 7,416,745.20

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Solution

The fourth proportional to 18,191,711.48, 27,287,567.24 and 7,416,745.20 is: 11,125,117.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191,711.48 : 27,287,567.24 = 7,416,745.20 : x
  2. Step 2: Convert to fraction form
    18,191,711.48/27,287,567.24 = 7,416,745.20/x
  3. Step 3: Cross multiply
    18,191,711.48x = 27,287,567.24 × 7,416,745.20
  4. Step 4: Simplify right side
    18,191,711.48x = 202,384,933,309,863.53
  5. Step 5: Solve for x
    x = 202,384,933,309,863.53/18,191,711.48
  6. Step 6: Final answer
    x = 11,125,117.81

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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.