Finding the Fourth Proportional to 7,515,403.62, 11,273,843.34 and 2,124,095.46
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Solution
The fourth proportional to 7,515,403.62, 11,273,843.34 and 2,124,095.46 is: 3,186,351.75
Step by Step Solution
- Step 1: Write the proportion equation
7,515,403.62 : 11,273,843.34 = 2,124,095.46 : x - Step 2: Convert to fraction form
7,515,403.62/11,273,843.34 = 2,124,095.46/x - Step 3: Cross multiply
7,515,403.62x = 11,273,843.34 × 2,124,095.46 - Step 4: Simplify right side
7,515,403.62x = 23,946,719,455,245.23 - Step 5: Solve for x
x = 23,946,719,455,245.23/7,515,403.62 - Step 6: Final answer
x = 3,186,351.75
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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.