Finding the Fourth Proportional to 7,731,837.34, 10,669,960.36 and 4,294,078.26
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Solution
The fourth proportional to 7,731,837.34, 10,669,960.36 and 4,294,078.26 is: 5,925,841.79
Step by Step Solution
- Step 1: Write the proportion equation
7,731,837.34 : 10,669,960.36 = 4,294,078.26 : x - Step 2: Convert to fraction form
7,731,837.34/10,669,960.36 = 4,294,078.26/x - Step 3: Cross multiply
7,731,837.34x = 10,669,960.36 × 4,294,078.26 - Step 4: Simplify right side
7,731,837.34x = 45,817,644,816,937.77 - Step 5: Solve for x
x = 45,817,644,816,937.77/7,731,837.34 - Step 6: Final answer
x = 5,925,841.79
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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.