Home / 21,182,236.22-29,229,147.08-11,887,674.51

Finding the Fourth Proportional to 21,182,236.22, 29,229,147.08 and 11,887,674.51

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Solution

The fourth proportional to 21,182,236.22, 29,229,147.08 and 11,887,674.51 is: 16,403,678.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,182,236.22 : 29,229,147.08 = 11,887,674.51 : x
  2. Step 2: Convert to fraction form
    21,182,236.22/29,229,147.08 = 11,887,674.51/x
  3. Step 3: Cross multiply
    21,182,236.22x = 29,229,147.08 × 11,887,674.51
  4. Step 4: Simplify right side
    21,182,236.22x = 347,466,586,691,956.88
  5. Step 5: Solve for x
    x = 347,466,586,691,956.88/21,182,236.22
  6. Step 6: Final answer
    x = 16,403,678.21

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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.