Home / 15,485,879.88-23,231,920.60-8,672,142.92

Finding the Fourth Proportional to 15,485,879.88, 23,231,920.60 and 8,672,142.92

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Solution

The fourth proportional to 15,485,879.88, 23,231,920.60 and 8,672,142.92 is: 13,009,950.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,485,879.88 : 23,231,920.60 = 8,672,142.92 : x
  2. Step 2: Convert to fraction form
    15,485,879.88/23,231,920.60 = 8,672,142.92/x
  3. Step 3: Cross multiply
    15,485,879.88x = 23,231,920.60 × 8,672,142.92
  4. Step 4: Simplify right side
    15,485,879.88x = 201,470,535,749,292.16
  5. Step 5: Solve for x
    x = 201,470,535,749,292.16/15,485,879.88
  6. Step 6: Final answer
    x = 13,009,950.83

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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.