Finding the Fourth Proportional to 10,696,450.86, 16,043,098.05 and 3,121,382.70
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Solution
The fourth proportional to 10,696,450.86, 16,043,098.05 and 3,121,382.70 is: 4,681,613.50
Step by Step Solution
- Step 1: Write the proportion equation
10,696,450.86 : 16,043,098.05 = 3,121,382.70 : x - Step 2: Convert to fraction form
10,696,450.86/16,043,098.05 = 3,121,382.70/x - Step 3: Cross multiply
10,696,450.86x = 16,043,098.05 × 3,121,382.70 - Step 4: Simplify right side
10,696,450.86x = 50,076,648,707,673.74 - Step 5: Solve for x
x = 50,076,648,707,673.74/10,696,450.86 - Step 6: Final answer
x = 4,681,613.50
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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.