Home / 19,122,976.33-26,388,939.48-10,420,963.47

Finding the Fourth Proportional to 19,122,976.33, 26,388,939.48 and 10,420,963.47

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Solution

The fourth proportional to 19,122,976.33, 26,388,939.48 and 10,420,963.47 is: 14,380,511.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122,976.33 : 26,388,939.48 = 10,420,963.47 : x
  2. Step 2: Convert to fraction form
    19,122,976.33/26,388,939.48 = 10,420,963.47/x
  3. Step 3: Cross multiply
    19,122,976.33x = 26,388,939.48 × 10,420,963.47
  4. Step 4: Simplify right side
    19,122,976.33x = 274,998,174,294,042.22
  5. Step 5: Solve for x
    x = 274,998,174,294,042.22/19,122,976.33
  6. Step 6: Final answer
    x = 14,380,511.15

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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.