Finding the Fourth Proportional to 27,202,313.70, 40,803,470.55 and 7,007,555.70
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Solution
The fourth proportional to 27,202,313.70, 40,803,470.55 and 7,007,555.70 is: 10,511,333.55
Step by Step Solution
- Step 1: Write the proportion equation
27,202,313.70 : 40,803,470.55 = 7,007,555.70 : x - Step 2: Convert to fraction form
27,202,313.70/40,803,470.55 = 7,007,555.70/x - Step 3: Cross multiply
27,202,313.70x = 40,803,470.55 × 7,007,555.70 - Step 4: Simplify right side
27,202,313.70x = 285,932,592,632,434.62 - Step 5: Solve for x
x = 285,932,592,632,434.62/27,202,313.70 - Step 6: Final answer
x = 10,511,333.55
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1.5x scale
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.