Home / 12,633,269.80-18,949,904.70-11,310,572.20

Finding the Fourth Proportional to 12,633,269.80, 18,949,904.70 and 11,310,572.20

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Solution

The fourth proportional to 12,633,269.80, 18,949,904.70 and 11,310,572.20 is: 16,965,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,633,269.80 : 18,949,904.70 = 11,310,572.20 : x
  2. Step 2: Convert to fraction form
    12,633,269.80/18,949,904.70 = 11,310,572.20/x
  3. Step 3: Cross multiply
    12,633,269.80x = 18,949,904.70 × 11,310,572.20
  4. Step 4: Simplify right side
    12,633,269.80x = 214,334,265,292,469.31
  5. Step 5: Solve for x
    x = 214,334,265,292,469.31/12,633,269.80
  6. Step 6: Final answer
    x = 16,965,858.30

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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.