Finding the Fourth Proportional to 7,691,850.84, 10,618,022.52 and 4,792,674.18
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Solution
The fourth proportional to 7,691,850.84, 10,618,022.52 and 4,792,674.18 is: 6,615,926.83
Step by Step Solution
- Step 1: Write the proportion equation
7,691,850.84 : 10,618,022.52 = 4,792,674.18 : x - Step 2: Convert to fraction form
7,691,850.84/10,618,022.52 = 4,792,674.18/x - Step 3: Cross multiply
7,691,850.84x = 10,618,022.52 × 4,792,674.18 - Step 4: Simplify right side
7,691,850.84x = 50,888,722,374,262.53 - Step 5: Solve for x
x = 50,888,722,374,262.53/7,691,850.84 - Step 6: Final answer
x = 6,615,926.83
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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.