Finding the Fourth Proportional to 10,696,260.80, 16,042,669.60 and 3,121,451.20
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Solution
The fourth proportional to 10,696,260.80, 16,042,669.60 and 3,121,451.20 is: 4,681,674.39
Step by Step Solution
- Step 1: Write the proportion equation
10,696,260.80 : 16,042,669.60 = 3,121,451.20 : x - Step 2: Convert to fraction form
10,696,260.80/16,042,669.60 = 3,121,451.20/x - Step 3: Cross multiply
10,696,260.80x = 16,042,669.60 × 3,121,451.20 - Step 4: Simplify right side
10,696,260.80x = 50,076,410,274,123.52 - Step 5: Solve for x
x = 50,076,410,274,123.52/10,696,260.80 - Step 6: Final answer
x = 4,681,674.39
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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.