Finding the Fourth Proportional to 12,254,992.70, 18,382,489.05 and 3,279,544.70
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Solution
The fourth proportional to 12,254,992.70, 18,382,489.05 and 3,279,544.70 is: 4,919,317.05
Step by Step Solution
- Step 1: Write the proportion equation
12,254,992.70 : 18,382,489.05 = 3,279,544.70 : x - Step 2: Convert to fraction form
12,254,992.70/18,382,489.05 = 3,279,544.70/x - Step 3: Cross multiply
12,254,992.70x = 18,382,489.05 × 3,279,544.70 - Step 4: Simplify right side
12,254,992.70x = 60,286,194,536,735.54 - Step 5: Solve for x
x = 60,286,194,536,735.54/12,254,992.70 - Step 6: Final answer
x = 4,919,317.05
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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.