Finding the Fourth Proportional to 11,641,524.84, 15,948,961.38 and 11,205,169.11
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Solution
The fourth proportional to 11,641,524.84, 15,948,961.38 and 11,205,169.11 is: 15,351,151.32
Step by Step Solution
- Step 1: Write the proportion equation
11,641,524.84 : 15,948,961.38 = 11,205,169.11 : x - Step 2: Convert to fraction form
11,641,524.84/15,948,961.38 = 11,205,169.11/x - Step 3: Cross multiply
11,641,524.84x = 15,948,961.38 × 11,205,169.11 - Step 4: Simplify right side
11,641,524.84x = 178,710,809,391,758.97 - Step 5: Solve for x
x = 178,710,809,391,758.97/11,641,524.84 - Step 6: Final answer
x = 15,351,151.32
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.