Finding the Fourth Proportional to 22,100,957.22, 30,511,962.99 and 14,668,698.54
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Solution
The fourth proportional to 22,100,957.22, 30,511,962.99 and 14,668,698.54 is: 20,251,194.67
Step by Step Solution
- Step 1: Write the proportion equation
22,100,957.22 : 30,511,962.99 = 14,668,698.54 : x - Step 2: Convert to fraction form
22,100,957.22/30,511,962.99 = 14,668,698.54/x - Step 3: Cross multiply
22,100,957.22x = 30,511,962.99 × 14,668,698.54 - Step 4: Simplify right side
22,100,957.22x = 447,570,786,963,947 - Step 5: Solve for x
x = 447,570,786,963,947/22,100,957.22 - Step 6: Final answer
x = 20,251,194.67
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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.