Finding the Fourth Proportional to 11,679,975.62, 17,523,706.17 and 8,178,181
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Solution
The fourth proportional to 11,679,975.62, 17,523,706.17 and 8,178,181 is: 12,269,892.12
Step by Step Solution
- Step 1: Write the proportion equation
11,679,975.62 : 17,523,706.17 = 8,178,181 : x - Step 2: Convert to fraction form
11,679,975.62/17,523,706.17 = 8,178,181/x - Step 3: Cross multiply
11,679,975.62x = 17,523,706.17 × 8,178,181 - Step 4: Simplify right side
11,679,975.62x = 143,312,040,849,076.78 - Step 5: Solve for x
x = 143,312,040,849,076.78/11,679,975.62 - Step 6: Final answer
x = 12,269,892.12
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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.