Finding the Fourth Proportional to 27,202,571.80, 40,803,857.70 and 18,593,227.60
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Solution
The fourth proportional to 27,202,571.80, 40,803,857.70 and 18,593,227.60 is: 27,889,841.40
Step by Step Solution
- Step 1: Write the proportion equation
27,202,571.80 : 40,803,857.70 = 18,593,227.60 : x - Step 2: Convert to fraction form
27,202,571.80/40,803,857.70 = 18,593,227.60/x - Step 3: Cross multiply
27,202,571.80x = 40,803,857.70 × 18,593,227.60 - Step 4: Simplify right side
27,202,571.80x = 758,675,413,174,112.62 - Step 5: Solve for x
x = 758,675,413,174,112.62/27,202,571.80 - Step 6: Final answer
x = 27,889,841.40
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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.