Home / 19,958,621.35-27,542,842.54-11,137,978.36

Finding the Fourth Proportional to 19,958,621.35, 27,542,842.54 and 11,137,978.36

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Solution

The fourth proportional to 19,958,621.35, 27,542,842.54 and 11,137,978.36 is: 15,370,379.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958,621.35 : 27,542,842.54 = 11,137,978.36 : x
  2. Step 2: Convert to fraction form
    19,958,621.35/27,542,842.54 = 11,137,978.36/x
  3. Step 3: Cross multiply
    19,958,621.35x = 27,542,842.54 × 11,137,978.36
  4. Step 4: Simplify right side
    19,958,621.35x = 306,771,584,183,407.44
  5. Step 5: Solve for x
    x = 306,771,584,183,407.44/19,958,621.35
  6. Step 6: Final answer
    x = 15,370,379.49

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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.