Finding the Fourth Proportional to 18,543,620.70, 27,752,445.45 and 16,276,139.10
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Solution
The fourth proportional to 18,543,620.70, 27,752,445.45 and 16,276,139.10 is: 24,358,924.82
Step by Step Solution
- Step 1: Write the proportion equation
18,543,620.70 : 27,752,445.45 = 16,276,139.10 : x - Step 2: Convert to fraction form
18,543,620.70/27,752,445.45 = 16,276,139.10/x - Step 3: Cross multiply
18,543,620.70x = 27,752,445.45 × 16,276,139.10 - Step 4: Simplify right side
18,543,620.70x = 451,702,662,509,362.06 - Step 5: Solve for x
x = 451,702,662,509,362.06/18,543,620.70 - Step 6: Final answer
x = 24,358,924.82
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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.