Finding the Fourth Proportional to 12,299,735.76, 16,973,771.84 and 6,792,982.75
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Solution
The fourth proportional to 12,299,735.76, 16,973,771.84 and 6,792,982.75 is: 9,374,391.58
Step by Step Solution
- Step 1: Write the proportion equation
12,299,735.76 : 16,973,771.84 = 6,792,982.75 : x - Step 2: Convert to fraction form
12,299,735.76/16,973,771.84 = 6,792,982.75/x - Step 3: Cross multiply
12,299,735.76x = 16,973,771.84 × 6,792,982.75 - Step 4: Simplify right side
12,299,735.76x = 115,302,539,311,555.77 - Step 5: Solve for x
x = 115,302,539,311,555.77/12,299,735.76 - Step 6: Final answer
x = 9,374,391.58
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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.