Home / 19,998,142.80-29,955,223.80-16,638,910.80

Finding the Fourth Proportional to 19,998,142.80, 29,955,223.80 and 16,638,910.80

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Solution

The fourth proportional to 19,998,142.80, 29,955,223.80 and 16,638,910.80 is: 24,923,429.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998,142.80 : 29,955,223.80 = 16,638,910.80 : x
  2. Step 2: Convert to fraction form
    19,998,142.80/29,955,223.80 = 16,638,910.80/x
  3. Step 3: Cross multiply
    19,998,142.80x = 29,955,223.80 × 16,638,910.80
  4. Step 4: Simplify right side
    19,998,142.80x = 498,422,296,802,237.06
  5. Step 5: Solve for x
    x = 498,422,296,802,237.06/19,998,142.80
  6. Step 6: Final answer
    x = 24,923,429.23

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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.