Home / 21,359,805.49-29,476,673.11-11,570,249.68

Finding the Fourth Proportional to 21,359,805.49, 29,476,673.11 and 11,570,249.68

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Solution

The fourth proportional to 21,359,805.49, 29,476,673.11 and 11,570,249.68 is: 15,967,021.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,359,805.49 : 29,476,673.11 = 11,570,249.68 : x
  2. Step 2: Convert to fraction form
    21,359,805.49/29,476,673.11 = 11,570,249.68/x
  3. Step 3: Cross multiply
    21,359,805.49x = 29,476,673.11 × 11,570,249.68
  4. Step 4: Simplify right side
    21,359,805.49x = 341,052,467,464,516.12
  5. Step 5: Solve for x
    x = 341,052,467,464,516.12/21,359,805.49
  6. Step 6: Final answer
    x = 15,967,021.22

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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.