Finding the Fourth Proportional to 22,273,893.20, 33,344,484.60 and 13,293,822.80
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Solution
The fourth proportional to 22,273,893.20, 33,344,484.60 and 13,293,822.80 is: 19,901,131.14
Step by Step Solution
- Step 1: Write the proportion equation
22,273,893.20 : 33,344,484.60 = 13,293,822.80 : x - Step 2: Convert to fraction form
22,273,893.20/33,344,484.60 = 13,293,822.80/x - Step 3: Cross multiply
22,273,893.20x = 33,344,484.60 × 13,293,822.80 - Step 4: Simplify right side
22,273,893.20x = 443,275,669,629,728.94 - Step 5: Solve for x
x = 443,275,669,629,728.94/22,273,893.20 - Step 6: Final answer
x = 19,901,131.14
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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.