Finding the Fourth Proportional to 11,310,685.48, 16,981,971.45 and 8,114,069.08
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Solution
The fourth proportional to 11,310,685.48, 16,981,971.45 and 8,114,069.08 is: 12,182,540.99
Step by Step Solution
- Step 1: Write the proportion equation
11,310,685.48 : 16,981,971.45 = 8,114,069.08 : x - Step 2: Convert to fraction form
11,310,685.48/16,981,971.45 = 8,114,069.08/x - Step 3: Cross multiply
11,310,685.48x = 16,981,971.45 × 8,114,069.08 - Step 4: Simplify right side
11,310,685.48x = 137,792,889,459,887.77 - Step 5: Solve for x
x = 137,792,889,459,887.77/11,310,685.48 - Step 6: Final answer
x = 12,182,540.99
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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.