Finding the Fourth Proportional to 18,119,654.95, 27,183,738.12 and 5,989,117.11
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Solution
The fourth proportional to 18,119,654.95, 27,183,738.12 and 5,989,117.11 is: 8,985,082.31
Step by Step Solution
- Step 1: Write the proportion equation
18,119,654.95 : 27,183,738.12 = 5,989,117.11 : x - Step 2: Convert to fraction form
18,119,654.95/27,183,738.12 = 5,989,117.11/x - Step 3: Cross multiply
18,119,654.95x = 27,183,738.12 × 5,989,117.11 - Step 4: Simplify right side
18,119,654.95x = 162,806,591,088,251.25 - Step 5: Solve for x
x = 162,806,591,088,251.25/18,119,654.95 - Step 6: Final answer
x = 8,985,082.31
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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.