Finding the Fourth Proportional to 7,902,416.70, 11,851,102.44 and 2,509,805.79
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Solution
The fourth proportional to 7,902,416.70, 11,851,102.44 and 2,509,805.79 is: 3,763,907.50
Step by Step Solution
- Step 1: Write the proportion equation
7,902,416.70 : 11,851,102.44 = 2,509,805.79 : x - Step 2: Convert to fraction form
7,902,416.70/11,851,102.44 = 2,509,805.79/x - Step 3: Cross multiply
7,902,416.70x = 11,851,102.44 × 2,509,805.79 - Step 4: Simplify right side
7,902,416.70x = 29,743,965,521,795.12 - Step 5: Solve for x
x = 29,743,965,521,795.12/7,902,416.70 - Step 6: Final answer
x = 3,763,907.50
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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.