Finding the Fourth Proportional to 7,792,660.54, 10,752,940.20 and 4,307,528.53
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Solution
The fourth proportional to 7,792,660.54, 10,752,940.20 and 4,307,528.53 is: 5,943,874.55
Step by Step Solution
- Step 1: Write the proportion equation
7,792,660.54 : 10,752,940.20 = 4,307,528.53 : x - Step 2: Convert to fraction form
7,792,660.54/10,752,940.20 = 4,307,528.53/x - Step 3: Cross multiply
7,792,660.54x = 10,752,940.20 × 4,307,528.53 - Step 4: Simplify right side
7,792,660.54x = 46,318,596,692,883.91 - Step 5: Solve for x
x = 46,318,596,692,883.91/7,792,660.54 - Step 6: Final answer
x = 5,943,874.55
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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.