Home / 19,802,955.80-27,333,778.74-11,961,221.96

Finding the Fourth Proportional to 19,802,955.80, 27,333,778.74 and 11,961,221.96

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Solution

The fourth proportional to 19,802,955.80, 27,333,778.74 and 11,961,221.96 is: 16,509,929.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,802,955.80 : 27,333,778.74 = 11,961,221.96 : x
  2. Step 2: Convert to fraction form
    19,802,955.80/27,333,778.74 = 11,961,221.96/x
  3. Step 3: Cross multiply
    19,802,955.80x = 27,333,778.74 × 11,961,221.96
  4. Step 4: Simplify right side
    19,802,955.80x = 326,945,394,514,669.12
  5. Step 5: Solve for x
    x = 326,945,394,514,669.12/19,802,955.80
  6. Step 6: Final answer
    x = 16,509,929.01

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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.