Finding the Fourth Proportional to 6,833,813.62, 9,430,859.61 and 3,778,224.70
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Solution
The fourth proportional to 6,833,813.62, 9,430,859.61 and 3,778,224.70 is: 5,214,058.90
Step by Step Solution
- Step 1: Write the proportion equation
6,833,813.62 : 9,430,859.61 = 3,778,224.70 : x - Step 2: Convert to fraction form
6,833,813.62/9,430,859.61 = 3,778,224.70/x - Step 3: Cross multiply
6,833,813.62x = 9,430,859.61 × 3,778,224.70 - Step 4: Simplify right side
6,833,813.62x = 35,631,906,668,857.29 - Step 5: Solve for x
x = 35,631,906,668,857.29/6,833,813.62 - Step 6: Final answer
x = 5,214,058.90
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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.