Finding the Fourth Proportional to 11,491,957.11, 15,859,614.91 and 6,335,309.19
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Solution
The fourth proportional to 11,491,957.11, 15,859,614.91 and 6,335,309.19 is: 8,743,120.35
Step by Step Solution
- Step 1: Write the proportion equation
11,491,957.11 : 15,859,614.91 = 6,335,309.19 : x - Step 2: Convert to fraction form
11,491,957.11/15,859,614.91 = 6,335,309.19/x - Step 3: Cross multiply
11,491,957.11x = 15,859,614.91 × 6,335,309.19 - Step 4: Simplify right side
11,491,957.11x = 100,475,564,089,184.03 - Step 5: Solve for x
x = 100,475,564,089,184.03/11,491,957.11 - Step 6: Final answer
x = 8,743,120.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.