Home / 21,151,517.24-29,189,525.10-11,494,347.32

Finding the Fourth Proportional to 21,151,517.24, 29,189,525.10 and 11,494,347.32

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Solution

The fourth proportional to 21,151,517.24, 29,189,525.10 and 11,494,347.32 is: 15,862,433.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,151,517.24 : 29,189,525.10 = 11,494,347.32 : x
  2. Step 2: Convert to fraction form
    21,151,517.24/29,189,525.10 = 11,494,347.32/x
  3. Step 3: Cross multiply
    21,151,517.24x = 29,189,525.10 × 11,494,347.32
  4. Step 4: Simplify right side
    21,151,517.24x = 335,514,539,605,257.75
  5. Step 5: Solve for x
    x = 335,514,539,605,257.75/21,151,517.24
  6. Step 6: Final answer
    x = 15,862,433.69

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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.