Home / 15,845,399.16-21,857,714.37-9,229,207.79

Finding the Fourth Proportional to 15,845,399.16, 21,857,714.37 and 9,229,207.79

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Solution

The fourth proportional to 15,845,399.16, 21,857,714.37 and 9,229,207.79 is: 12,731,101.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,845,399.16 : 21,857,714.37 = 9,229,207.79 : x
  2. Step 2: Convert to fraction form
    15,845,399.16/21,857,714.37 = 9,229,207.79/x
  3. Step 3: Cross multiply
    15,845,399.16x = 21,857,714.37 × 9,229,207.79
  4. Step 4: Simplify right side
    15,845,399.16x = 201,729,387,625,910.38
  5. Step 5: Solve for x
    x = 201,729,387,625,910.38/15,845,399.16
  6. Step 6: Final answer
    x = 12,731,101.66

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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.