Home / 18,695,917.20-28,059,622.20-7,344,512.40

Finding the Fourth Proportional to 18,695,917.20, 28,059,622.20 and 7,344,512.40

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Solution

The fourth proportional to 18,695,917.20, 28,059,622.20 and 7,344,512.40 is: 11,022,954.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695,917.20 : 28,059,622.20 = 7,344,512.40 : x
  2. Step 2: Convert to fraction form
    18,695,917.20/28,059,622.20 = 7,344,512.40/x
  3. Step 3: Cross multiply
    18,695,917.20x = 28,059,622.20 × 7,344,512.40
  4. Step 4: Simplify right side
    18,695,917.20x = 206,084,243,187,215.28
  5. Step 5: Solve for x
    x = 206,084,243,187,215.28/18,695,917.20
  6. Step 6: Final answer
    x = 11,022,954.42

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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.