Home / 13,305,216.40-18,361,183.08-7,193,630.32

Finding the Fourth Proportional to 13,305,216.40, 18,361,183.08 and 7,193,630.32

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Solution

The fourth proportional to 13,305,216.40, 18,361,183.08 and 7,193,630.32 is: 9,927,201.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,216.40 : 18,361,183.08 = 7,193,630.32 : x
  2. Step 2: Convert to fraction form
    13,305,216.40/18,361,183.08 = 7,193,630.32/x
  3. Step 3: Cross multiply
    13,305,216.40x = 18,361,183.08 × 7,193,630.32
  4. Step 4: Simplify right side
    13,305,216.40x = 132,083,563,315,358.98
  5. Step 5: Solve for x
    x = 132,083,563,315,358.98/13,305,216.40
  6. Step 6: Final answer
    x = 9,927,201.43

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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.