Home / 12,622,508.80-18,933,763.20-11,063,615.20

Finding the Fourth Proportional to 12,622,508.80, 18,933,763.20 and 11,063,615.20

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Solution

The fourth proportional to 12,622,508.80, 18,933,763.20 and 11,063,615.20 is: 16,595,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,622,508.80 : 18,933,763.20 = 11,063,615.20 : x
  2. Step 2: Convert to fraction form
    12,622,508.80/18,933,763.20 = 11,063,615.20/x
  3. Step 3: Cross multiply
    12,622,508.80x = 18,933,763.20 × 11,063,615.20
  4. Step 4: Simplify right side
    12,622,508.80x = 209,475,870,332,720.62
  5. Step 5: Solve for x
    x = 209,475,870,332,720.62/12,622,508.80
  6. Step 6: Final answer
    x = 16,595,422.80

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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.