Finding the Fourth Proportional to 7,789,915.22, 11,667,448.83 and 4,503,242.66
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Solution
The fourth proportional to 7,789,915.22, 11,667,448.83 and 4,503,242.66 is: 6,744,791.42
Step by Step Solution
- Step 1: Write the proportion equation
7,789,915.22 : 11,667,448.83 = 4,503,242.66 : x - Step 2: Convert to fraction form
7,789,915.22/11,667,448.83 = 4,503,242.66/x - Step 3: Cross multiply
7,789,915.22x = 11,667,448.83 × 4,503,242.66 - Step 4: Simplify right side
7,789,915.22x = 52,541,353,304,623.09 - Step 5: Solve for x
x = 52,541,353,304,623.09/7,789,915.22 - Step 6: Final answer
x = 6,744,791.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.