Finding the Fourth Proportional to 11,911,552.94, 17,858,618.67 and 3,819,922.67
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Solution
The fourth proportional to 11,911,552.94, 17,858,618.67 and 3,819,922.67 is: 5,727,090.55
Step by Step Solution
- Step 1: Write the proportion equation
11,911,552.94 : 17,858,618.67 = 3,819,922.67 : x - Step 2: Convert to fraction form
11,911,552.94/17,858,618.67 = 3,819,922.67/x - Step 3: Cross multiply
11,911,552.94x = 17,858,618.67 × 3,819,922.67 - Step 4: Simplify right side
11,911,552.94x = 68,218,542,312,418.26 - Step 5: Solve for x
x = 68,218,542,312,418.26/11,911,552.94 - Step 6: Final answer
x = 5,727,090.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.