Finding the Fourth Proportional to 21,668,242.68, 32,492,915.13 and 8,195,622.84
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Solution
The fourth proportional to 21,668,242.68, 32,492,915.13 and 8,195,622.84 is: 12,289,860.39
Step by Step Solution
- Step 1: Write the proportion equation
21,668,242.68 : 32,492,915.13 = 8,195,622.84 : x - Step 2: Convert to fraction form
21,668,242.68/32,492,915.13 = 8,195,622.84/x - Step 3: Cross multiply
21,668,242.68x = 32,492,915.13 × 8,195,622.84 - Step 4: Simplify right side
21,668,242.68x = 266,299,677,377,609.56 - Step 5: Solve for x
x = 266,299,677,377,609.56/21,668,242.68 - Step 6: Final answer
x = 12,289,860.39
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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.