Home / 21,320,301.34-29,422,015.86-11,530,745.50

Finding the Fourth Proportional to 21,320,301.34, 29,422,015.86 and 11,530,745.50

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Solution

The fourth proportional to 21,320,301.34, 29,422,015.86 and 11,530,745.50 is: 15,912,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,320,301.34 : 29,422,015.86 = 11,530,745.50 : x
  2. Step 2: Convert to fraction form
    21,320,301.34/29,422,015.86 = 11,530,745.50/x
  3. Step 3: Cross multiply
    21,320,301.34x = 29,422,015.86 × 11,530,745.50
  4. Step 4: Simplify right side
    21,320,301.34x = 339,257,776,978,623.62
  5. Step 5: Solve for x
    x = 339,257,776,978,623.62/21,320,301.34
  6. Step 6: Final answer
    x = 15,912,428.80

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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.