Finding the Fourth Proportional to 18,166,461.76, 27,218,845.68 and 10,962,858.96
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Solution
The fourth proportional to 18,166,461.76, 27,218,845.68 and 10,962,858.96 is: 16,425,673.33
Step by Step Solution
- Step 1: Write the proportion equation
18,166,461.76 : 27,218,845.68 = 10,962,858.96 : x - Step 2: Convert to fraction form
18,166,461.76/27,218,845.68 = 10,962,858.96/x - Step 3: Cross multiply
18,166,461.76x = 27,218,845.68 × 10,962,858.96 - Step 4: Simplify right side
18,166,461.76x = 298,396,366,340,967.25 - Step 5: Solve for x
x = 298,396,366,340,967.25/18,166,461.76 - Step 6: Final answer
x = 16,425,673.33
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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.