Finding the Fourth Proportional to 21,668,245.68, 32,492,919.63 and 8,195,625.84
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Solution
The fourth proportional to 21,668,245.68, 32,492,919.63 and 8,195,625.84 is: 12,289,864.89
Step by Step Solution
- Step 1: Write the proportion equation
21,668,245.68 : 32,492,919.63 = 8,195,625.84 : x - Step 2: Convert to fraction form
21,668,245.68/32,492,919.63 = 8,195,625.84/x - Step 3: Cross multiply
21,668,245.68x = 32,492,919.63 × 8,195,625.84 - Step 4: Simplify right side
21,668,245.68x = 266,299,811,736,671.22 - Step 5: Solve for x
x = 266,299,811,736,671.22/21,668,245.68 - Step 6: Final answer
x = 12,289,864.89
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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.