Finding the Fourth Proportional to 11,310,684.48, 16,981,969.95 and 8,114,068.08
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Solution
The fourth proportional to 11,310,684.48, 16,981,969.95 and 8,114,068.08 is: 12,182,539.49
Step by Step Solution
- Step 1: Write the proportion equation
11,310,684.48 : 16,981,969.95 = 8,114,068.08 : x - Step 2: Convert to fraction form
11,310,684.48/16,981,969.95 = 8,114,068.08/x - Step 3: Cross multiply
11,310,684.48x = 16,981,969.95 × 8,114,068.08 - Step 4: Simplify right side
11,310,684.48x = 137,792,860,306,814.19 - Step 5: Solve for x
x = 137,792,860,306,814.19/11,310,684.48 - Step 6: Final answer
x = 12,182,539.49
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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.