Finding the Fourth Proportional to 18,146,296.10, 27,187,951.35 and 15,311,944.10
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Solution
The fourth proportional to 18,146,296.10, 27,187,951.35 and 15,311,944.10 is: 22,941,342.35
Step by Step Solution
- Step 1: Write the proportion equation
18,146,296.10 : 27,187,951.35 = 15,311,944.10 : x - Step 2: Convert to fraction form
18,146,296.10/27,187,951.35 = 15,311,944.10/x - Step 3: Cross multiply
18,146,296.10x = 27,187,951.35 × 15,311,944.10 - Step 4: Simplify right side
18,146,296.10x = 416,300,391,264,719.56 - Step 5: Solve for x
x = 416,300,391,264,719.56/18,146,296.10 - Step 6: Final answer
x = 22,941,342.35
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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.