Home / 19,969,445.80-27,557,945.04-11,149,295.86

Finding the Fourth Proportional to 19,969,445.80, 27,557,945.04 and 11,149,295.86

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Solution

The fourth proportional to 19,969,445.80, 27,557,945.04 and 11,149,295.86 is: 15,386,089.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,969,445.80 : 27,557,945.04 = 11,149,295.86 : x
  2. Step 2: Convert to fraction form
    19,969,445.80/27,557,945.04 = 11,149,295.86/x
  3. Step 3: Cross multiply
    19,969,445.80x = 27,557,945.04 × 11,149,295.86
  4. Step 4: Simplify right side
    19,969,445.80x = 307,251,682,544,579.50
  5. Step 5: Solve for x
    x = 307,251,682,544,579.50/19,969,445.80
  6. Step 6: Final answer
    x = 15,386,089.61

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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.