Finding the Fourth Proportional to 18,589,625.70, 27,884,438.55 and 16,517,005.80
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Solution
The fourth proportional to 18,589,625.70, 27,884,438.55 and 16,517,005.80 is: 24,775,508.70
Step by Step Solution
- Step 1: Write the proportion equation
18,589,625.70 : 27,884,438.55 = 16,517,005.80 : x - Step 2: Convert to fraction form
18,589,625.70/27,884,438.55 = 16,517,005.80/x - Step 3: Cross multiply
18,589,625.70x = 27,884,438.55 × 16,517,005.80 - Step 4: Simplify right side
18,589,625.70x = 460,567,433,260,093.62 - Step 5: Solve for x
x = 460,567,433,260,093.62/18,589,625.70 - Step 6: Final answer
x = 24,775,508.70
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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.