Finding the Fourth Proportional to 18,008,568.87, 27,008,810.39 and 8,283,842.12
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Solution
The fourth proportional to 18,008,568.87, 27,008,810.39 and 8,283,842.12 is: 12,423,903.46
Step by Step Solution
- Step 1: Write the proportion equation
18,008,568.87 : 27,008,810.39 = 8,283,842.12 : x - Step 2: Convert to fraction form
18,008,568.87/27,008,810.39 = 8,283,842.12/x - Step 3: Cross multiply
18,008,568.87x = 27,008,810.39 × 8,283,842.12 - Step 4: Simplify right side
18,008,568.87x = 223,736,721,056,082.69 - Step 5: Solve for x
x = 223,736,721,056,082.69/18,008,568.87 - Step 6: Final answer
x = 12,423,903.46
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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.