Home / 21,613,187.39-29,826,433.85-11,823,421.14

Finding the Fourth Proportional to 21,613,187.39, 29,826,433.85 and 11,823,421.14

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Solution

The fourth proportional to 21,613,187.39, 29,826,433.85 and 11,823,421.14 is: 16,316,449.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,613,187.39 : 29,826,433.85 = 11,823,421.14 : x
  2. Step 2: Convert to fraction form
    21,613,187.39/29,826,433.85 = 11,823,421.14/x
  3. Step 3: Cross multiply
    21,613,187.39x = 29,826,433.85 × 11,823,421.14
  4. Step 4: Simplify right side
    21,613,187.39x = 352,650,488,453,784.50
  5. Step 5: Solve for x
    x = 352,650,488,453,784.50/21,613,187.39
  6. Step 6: Final answer
    x = 16,316,449.87

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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.