Finding the Fourth Proportional to 7,752,122.73, 10,697,929.40 and 4,315,175.68
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Solution
The fourth proportional to 7,752,122.73, 10,697,929.40 and 4,315,175.68 is: 5,954,942.46
Step by Step Solution
- Step 1: Write the proportion equation
7,752,122.73 : 10,697,929.40 = 4,315,175.68 : x - Step 2: Convert to fraction form
7,752,122.73/10,697,929.40 = 4,315,175.68/x - Step 3: Cross multiply
7,752,122.73x = 10,697,929.40 × 4,315,175.68 - Step 4: Simplify right side
7,752,122.73x = 46,163,444,773,236.99 - Step 5: Solve for x
x = 46,163,444,773,236.99/7,752,122.73 - Step 6: Final answer
x = 5,954,942.46
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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.