Finding the Fourth Proportional to 7,270,790.13, 10,033,757.19 and 4,007,730.06
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Solution
The fourth proportional to 7,270,790.13, 10,033,757.19 and 4,007,730.06 is: 5,530,704.31
Step by Step Solution
- Step 1: Write the proportion equation
7,270,790.13 : 10,033,757.19 = 4,007,730.06 : x - Step 2: Convert to fraction form
7,270,790.13/10,033,757.19 = 4,007,730.06/x - Step 3: Cross multiply
7,270,790.13x = 10,033,757.19 × 4,007,730.06 - Step 4: Simplify right side
7,270,790.13x = 40,212,590,305,104.13 - Step 5: Solve for x
x = 40,212,590,305,104.13/7,270,790.13 - Step 6: Final answer
x = 5,530,704.31
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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.