Finding the Fourth Proportional to 36,378,744.70, 54,568,117.05 and 18,185,747.80
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Solution
The fourth proportional to 36,378,744.70, 54,568,117.05 and 18,185,747.80 is: 27,278,621.70
Step by Step Solution
- Step 1: Write the proportion equation
36,378,744.70 : 54,568,117.05 = 18,185,747.80 : x - Step 2: Convert to fraction form
36,378,744.70/54,568,117.05 = 18,185,747.80/x - Step 3: Cross multiply
36,378,744.70x = 54,568,117.05 × 18,185,747.80 - Step 4: Simplify right side
36,378,744.70x = 992,362,014,592,180 - Step 5: Solve for x
x = 992,362,014,592,180/36,378,744.70 - Step 6: Final answer
x = 27,278,621.70
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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.