Finding the Fourth Proportional to 27,884,441.70, 41,826,662.55 and 7,414,121.70
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Solution
The fourth proportional to 27,884,441.70, 41,826,662.55 and 7,414,121.70 is: 11,121,182.55
Step by Step Solution
- Step 1: Write the proportion equation
27,884,441.70 : 41,826,662.55 = 7,414,121.70 : x - Step 2: Convert to fraction form
27,884,441.70/41,826,662.55 = 7,414,121.70/x - Step 3: Cross multiply
27,884,441.70x = 41,826,662.55 × 7,414,121.70 - Step 4: Simplify right side
27,884,441.70x = 310,107,966,450,532.31 - Step 5: Solve for x
x = 310,107,966,450,532.31/27,884,441.70 - Step 6: Final answer
x = 11,121,182.55
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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.