Home / 21,724,491.66-29,943,786.96-21,149,456.97

Finding the Fourth Proportional to 21,724,491.66, 29,943,786.96 and 21,149,456.97

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Solution

The fourth proportional to 21,724,491.66, 29,943,786.96 and 21,149,456.97 is: 29,151,192.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,724,491.66 : 29,943,786.96 = 21,149,456.97 : x
  2. Step 2: Convert to fraction form
    21,724,491.66/29,943,786.96 = 21,149,456.97/x
  3. Step 3: Cross multiply
    21,724,491.66x = 29,943,786.96 × 21,149,456.97
  4. Step 4: Simplify right side
    21,724,491.66x = 633,294,833,829,367.12
  5. Step 5: Solve for x
    x = 633,294,833,829,367.12/21,724,491.66
  6. Step 6: Final answer
    x = 29,151,192.29

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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.