Finding the Fourth Proportional to 11,770,394.24, 16,242,625.60 and 6,876,069.76
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Solution
The fourth proportional to 11,770,394.24, 16,242,625.60 and 6,876,069.76 is: 9,488,673.40
Step by Step Solution
- Step 1: Write the proportion equation
11,770,394.24 : 16,242,625.60 = 6,876,069.76 : x - Step 2: Convert to fraction form
11,770,394.24/16,242,625.60 = 6,876,069.76/x - Step 3: Cross multiply
11,770,394.24x = 16,242,625.60 × 6,876,069.76 - Step 4: Simplify right side
11,770,394.24x = 111,685,426,711,161.84 - Step 5: Solve for x
x = 111,685,426,711,161.84/11,770,394.24 - Step 6: Final answer
x = 9,488,673.40
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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.