Home / 21,030,400.48-29,021,940.44-11,372,608.48

Finding the Fourth Proportional to 21,030,400.48, 29,021,940.44 and 11,372,608.48

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Solution

The fourth proportional to 21,030,400.48, 29,021,940.44 and 11,372,608.48 is: 15,694,193.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,030,400.48 : 29,021,940.44 = 11,372,608.48 : x
  2. Step 2: Convert to fraction form
    21,030,400.48/29,021,940.44 = 11,372,608.48/x
  3. Step 3: Cross multiply
    21,030,400.48x = 29,021,940.44 × 11,372,608.48
  4. Step 4: Simplify right side
    21,030,400.48x = 330,055,165,953,998.94
  5. Step 5: Solve for x
    x = 330,055,165,953,998.94/21,030,400.48
  6. Step 6: Final answer
    x = 15,694,193.09

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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.