Finding the Fourth Proportional to 7,518,513.62, 10,375,556.47 and 4,080,755.36
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Solution
The fourth proportional to 7,518,513.62, 10,375,556.47 and 4,080,755.36 is: 5,631,446.56
Step by Step Solution
- Step 1: Write the proportion equation
7,518,513.62 : 10,375,556.47 = 4,080,755.36 : x - Step 2: Convert to fraction form
7,518,513.62/10,375,556.47 = 4,080,755.36/x - Step 3: Cross multiply
7,518,513.62x = 10,375,556.47 × 4,080,755.36 - Step 4: Simplify right side
7,518,513.62x = 42,340,107,677,935.18 - Step 5: Solve for x
x = 42,340,107,677,935.18/7,518,513.62 - Step 6: Final answer
x = 5,631,446.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.