Finding the Fourth Proportional to 11,467,212.98, 15,821,191.23 and 6,504,836.48
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Solution
The fourth proportional to 11,467,212.98, 15,821,191.23 and 6,504,836.48 is: 8,974,653.39
Step by Step Solution
- Step 1: Write the proportion equation
11,467,212.98 : 15,821,191.23 = 6,504,836.48 : x - Step 2: Convert to fraction form
11,467,212.98/15,821,191.23 = 6,504,836.48/x - Step 3: Cross multiply
11,467,212.98x = 15,821,191.23 × 6,504,836.48 - Step 4: Simplify right side
11,467,212.98x = 102,914,261,869,960.08 - Step 5: Solve for x
x = 102,914,261,869,960.08/11,467,212.98 - Step 6: Final answer
x = 8,974,653.39
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1.5x scale
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.