Finding the Fourth Proportional to 7,972,230.24, 11,952,552.24 and 3,178,481.76
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Solution
The fourth proportional to 7,972,230.24, 11,952,552.24 and 3,178,481.76 is: 4,765,412.96
Step by Step Solution
- Step 1: Write the proportion equation
7,972,230.24 : 11,952,552.24 = 3,178,481.76 : x - Step 2: Convert to fraction form
7,972,230.24/11,952,552.24 = 3,178,481.76/x - Step 3: Cross multiply
7,972,230.24x = 11,952,552.24 × 3,178,481.76 - Step 4: Simplify right side
7,972,230.24x = 37,990,969,280,287.14 - Step 5: Solve for x
x = 37,990,969,280,287.14/7,972,230.24 - Step 6: Final answer
x = 4,765,412.96
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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.