Home / 21,093,313.51-29,109,902.85-11,800,329.21

Finding the Fourth Proportional to 21,093,313.51, 29,109,902.85 and 11,800,329.21

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Solution

The fourth proportional to 21,093,313.51, 29,109,902.85 and 11,800,329.21 is: 16,285,086.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,093,313.51 : 29,109,902.85 = 11,800,329.21 : x
  2. Step 2: Convert to fraction form
    21,093,313.51/29,109,902.85 = 11,800,329.21/x
  3. Step 3: Cross multiply
    21,093,313.51x = 29,109,902.85 × 11,800,329.21
  4. Step 4: Simplify right side
    21,093,313.51x = 343,506,436,755,567.75
  5. Step 5: Solve for x
    x = 343,506,436,755,567.75/21,093,313.51
  6. Step 6: Final answer
    x = 16,285,086.58

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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.