Finding the Fourth Proportional to 7,795,397.97, 10,757,718.69 and 4,310,971.17
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Solution
The fourth proportional to 7,795,397.97, 10,757,718.69 and 4,310,971.17 is: 5,949,178.64
Step by Step Solution
- Step 1: Write the proportion equation
7,795,397.97 : 10,757,718.69 = 4,310,971.17 : x - Step 2: Convert to fraction form
7,795,397.97/10,757,718.69 = 4,310,971.17/x - Step 3: Cross multiply
7,795,397.97x = 10,757,718.69 × 4,310,971.17 - Step 4: Simplify right side
7,795,397.97x = 46,376,215,127,560.16 - Step 5: Solve for x
x = 46,376,215,127,560.16/7,795,397.97 - Step 6: Final answer
x = 5,949,178.64
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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.