Home / 12,834,414.80-19,251,622.20-11,391,189.20

Finding the Fourth Proportional to 12,834,414.80, 19,251,622.20 and 11,391,189.20

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Solution

The fourth proportional to 12,834,414.80, 19,251,622.20 and 11,391,189.20 is: 17,086,783.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,834,414.80 : 19,251,622.20 = 11,391,189.20 : x
  2. Step 2: Convert to fraction form
    12,834,414.80/19,251,622.20 = 11,391,189.20/x
  3. Step 3: Cross multiply
    12,834,414.80x = 19,251,622.20 × 11,391,189.20
  4. Step 4: Simplify right side
    12,834,414.80x = 219,298,870,887,120.22
  5. Step 5: Solve for x
    x = 219,298,870,887,120.22/12,834,414.80
  6. Step 6: Final answer
    x = 17,086,783.80

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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.