Finding the Fourth Proportional to 22,465,563.08, 33,691,916.46 and 7,320,818.12
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Solution
The fourth proportional to 22,465,563.08, 33,691,916.46 and 7,320,818.12 is: 10,979,132.45
Step by Step Solution
- Step 1: Write the proportion equation
22,465,563.08 : 33,691,916.46 = 7,320,818.12 : x - Step 2: Convert to fraction form
22,465,563.08/33,691,916.46 = 7,320,818.12/x - Step 3: Cross multiply
22,465,563.08x = 33,691,916.46 × 7,320,818.12 - Step 4: Simplify right side
22,465,563.08x = 246,652,392,517,894.25 - Step 5: Solve for x
x = 246,652,392,517,894.25/22,465,563.08 - Step 6: Final answer
x = 10,979,132.45
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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.