Home / 21,458,434.82-29,613,418.76-12,292,849.04

Finding the Fourth Proportional to 21,458,434.82, 29,613,418.76 and 12,292,849.04

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Solution

The fourth proportional to 21,458,434.82, 29,613,418.76 and 12,292,849.04 is: 16,964,577.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,458,434.82 : 29,613,418.76 = 12,292,849.04 : x
  2. Step 2: Convert to fraction form
    21,458,434.82/29,613,418.76 = 12,292,849.04/x
  3. Step 3: Cross multiply
    21,458,434.82x = 29,613,418.76 × 12,292,849.04
  4. Step 4: Simplify right side
    21,458,434.82x = 364,033,286,165,452.62
  5. Step 5: Solve for x
    x = 364,033,286,165,452.62/21,458,434.82
  6. Step 6: Final answer
    x = 16,964,577.77

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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.