Home / 21,030,406.48-29,021,948.72-11,372,614.48

Finding the Fourth Proportional to 21,030,406.48, 29,021,948.72 and 11,372,614.48

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Solution

The fourth proportional to 21,030,406.48, 29,021,948.72 and 11,372,614.48 is: 15,694,201.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,030,406.48 : 29,021,948.72 = 11,372,614.48 : x
  2. Step 2: Convert to fraction form
    21,030,406.48/29,021,948.72 = 11,372,614.48/x
  3. Step 3: Cross multiply
    21,030,406.48x = 29,021,948.72 × 11,372,614.48
  4. Step 4: Simplify right side
    21,030,406.48x = 330,055,434,250,889.44
  5. Step 5: Solve for x
    x = 330,055,434,250,889.44/21,030,406.48
  6. Step 6: Final answer
    x = 15,694,201.37

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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.