Home / 21,289,189.24-29,379,092.51-11,499,633.22

Finding the Fourth Proportional to 21,289,189.24, 29,379,092.51 and 11,499,633.22

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Solution

The fourth proportional to 21,289,189.24, 29,379,092.51 and 11,499,633.22 is: 15,869,499.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,289,189.24 : 29,379,092.51 = 11,499,633.22 : x
  2. Step 2: Convert to fraction form
    21,289,189.24/29,379,092.51 = 11,499,633.22/x
  3. Step 3: Cross multiply
    21,289,189.24x = 29,379,092.51 × 11,499,633.22
  4. Step 4: Simplify right side
    21,289,189.24x = 337,848,788,201,449.25
  5. Step 5: Solve for x
    x = 337,848,788,201,449.25/21,289,189.24
  6. Step 6: Final answer
    x = 15,869,499.98

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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.