Finding the Fourth Proportional to 12,019,158.18, 16,586,496.03 and 6,512,531.57
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Solution
The fourth proportional to 12,019,158.18, 16,586,496.03 and 6,512,531.57 is: 8,987,324.85
Step by Step Solution
- Step 1: Write the proportion equation
12,019,158.18 : 16,586,496.03 = 6,512,531.57 : x - Step 2: Convert to fraction form
12,019,158.18/16,586,496.03 = 6,512,531.57/x - Step 3: Cross multiply
12,019,158.18x = 16,586,496.03 × 6,512,531.57 - Step 4: Simplify right side
12,019,158.18x = 108,020,079,031,054.67 - Step 5: Solve for x
x = 108,020,079,031,054.67/12,019,158.18 - Step 6: Final answer
x = 8,987,324.85
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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.