Finding the Fourth Proportional to 22,794,861.74, 31,456,594.68 and 12,481,584.80
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Solution
The fourth proportional to 22,794,861.74, 31,456,594.68 and 12,481,584.80 is: 17,224,414.80
Step by Step Solution
- Step 1: Write the proportion equation
22,794,861.74 : 31,456,594.68 = 12,481,584.80 : x - Step 2: Convert to fraction form
22,794,861.74/31,456,594.68 = 12,481,584.80/x - Step 3: Cross multiply
22,794,861.74x = 31,456,594.68 × 12,481,584.80 - Step 4: Simplify right side
22,794,861.74x = 392,628,154,017,648.88 - Step 5: Solve for x
x = 392,628,154,017,648.88/22,794,861.74 - Step 6: Final answer
x = 17,224,414.80
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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.