Home / 15,445,879.37-21,313,904.60-9,165,324.25

Finding the Fourth Proportional to 15,445,879.37, 21,313,904.60 and 9,165,324.25

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Solution

The fourth proportional to 15,445,879.37, 21,313,904.60 and 9,165,324.25 is: 12,647,311.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,445,879.37 : 21,313,904.60 = 9,165,324.25 : x
  2. Step 2: Convert to fraction form
    15,445,879.37/21,313,904.60 = 9,165,324.25/x
  3. Step 3: Cross multiply
    15,445,879.37x = 21,313,904.60 × 9,165,324.25
  4. Step 4: Simplify right side
    15,445,879.37x = 195,348,846,768,764.59
  5. Step 5: Solve for x
    x = 195,348,846,768,764.59/15,445,879.37
  6. Step 6: Final answer
    x = 12,647,311.43

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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.