Home / 21,383,727.80-32,004,732.90-19,683,116.60

Finding the Fourth Proportional to 21,383,727.80, 32,004,732.90 and 19,683,116.60

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Solution

The fourth proportional to 21,383,727.80, 32,004,732.90 and 19,683,116.60 is: 29,459,451.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,383,727.80 : 32,004,732.90 = 19,683,116.60 : x
  2. Step 2: Convert to fraction form
    21,383,727.80/32,004,732.90 = 19,683,116.60/x
  3. Step 3: Cross multiply
    21,383,727.80x = 32,004,732.90 × 19,683,116.60
  4. Step 4: Simplify right side
    21,383,727.80x = 629,952,889,422,556.12
  5. Step 5: Solve for x
    x = 629,952,889,422,556.12/21,383,727.80
  6. Step 6: Final answer
    x = 29,459,451.38

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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.