Finding the Fourth Proportional to 10,929,370.20, 16,403,969.70 and 5,541,768.60
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Solution
The fourth proportional to 10,929,370.20, 16,403,969.70 and 5,541,768.60 is: 8,317,680.03
Step by Step Solution
- Step 1: Write the proportion equation
10,929,370.20 : 16,403,969.70 = 5,541,768.60 : x - Step 2: Convert to fraction form
10,929,370.20/16,403,969.70 = 5,541,768.60/x - Step 3: Cross multiply
10,929,370.20x = 16,403,969.70 × 5,541,768.60 - Step 4: Simplify right side
10,929,370.20x = 90,907,004,198,811.41 - Step 5: Solve for x
x = 90,907,004,198,811.41/10,929,370.20 - Step 6: Final answer
x = 8,317,680.03
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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.