Finding the Fourth Proportional to 22,228,830.80, 33,347,911.80 and 6,874,859.60
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Solution
The fourth proportional to 22,228,830.80, 33,347,911.80 and 6,874,859.60 is: 10,313,732.36
Step by Step Solution
- Step 1: Write the proportion equation
22,228,830.80 : 33,347,911.80 = 6,874,859.60 : x - Step 2: Convert to fraction form
22,228,830.80/33,347,911.80 = 6,874,859.60/x - Step 3: Cross multiply
22,228,830.80x = 33,347,911.80 × 6,874,859.60 - Step 4: Simplify right side
22,228,830.80x = 229,262,211,578,183.28 - Step 5: Solve for x
x = 229,262,211,578,183.28/22,228,830.80 - Step 6: Final answer
x = 10,313,732.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.