Finding the Fourth Proportional to 6,837,172.97, 9,438,203.90 and 4,260,126.98
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Solution
The fourth proportional to 6,837,172.97, 9,438,203.90 and 4,260,126.98 is: 5,880,785.42
Step by Step Solution
- Step 1: Write the proportion equation
6,837,172.97 : 9,438,203.90 = 4,260,126.98 : x - Step 2: Convert to fraction form
6,837,172.97/9,438,203.90 = 4,260,126.98/x - Step 3: Cross multiply
6,837,172.97x = 9,438,203.90 × 4,260,126.98 - Step 4: Simplify right side
6,837,172.97x = 40,207,947,111,377.05 - Step 5: Solve for x
x = 40,207,947,111,377.05/6,837,172.97 - Step 6: Final answer
x = 5,880,785.42
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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.