Home / 13,965,821.54-19,269,945.30-8,163,480.90

Finding the Fourth Proportional to 13,965,821.54, 19,269,945.30 and 8,163,480.90

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Solution

The fourth proportional to 13,965,821.54, 19,269,945.30 and 8,163,480.90 is: 11,263,915.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,965,821.54 : 19,269,945.30 = 8,163,480.90 : x
  2. Step 2: Convert to fraction form
    13,965,821.54/19,269,945.30 = 8,163,480.90/x
  3. Step 3: Cross multiply
    13,965,821.54x = 19,269,945.30 × 8,163,480.90
  4. Step 4: Simplify right side
    13,965,821.54x = 157,309,830,400,594.78
  5. Step 5: Solve for x
    x = 157,309,830,400,594.78/13,965,821.54
  6. Step 6: Final answer
    x = 11,263,915.26

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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.