Finding the Fourth Proportional to 11,211,712.26, 16,756,129.74 and 8,185,451.04
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Solution
The fourth proportional to 11,211,712.26, 16,756,129.74 and 8,185,451.04 is: 12,233,321.41
Step by Step Solution
- Step 1: Write the proportion equation
11,211,712.26 : 16,756,129.74 = 8,185,451.04 : x - Step 2: Convert to fraction form
11,211,712.26/16,756,129.74 = 8,185,451.04/x - Step 3: Cross multiply
11,211,712.26x = 16,756,129.74 × 8,185,451.04 - Step 4: Simplify right side
11,211,712.26x = 137,156,479,606,657.94 - Step 5: Solve for x
x = 137,156,479,606,657.94/11,211,712.26 - Step 6: Final answer
x = 12,233,321.41
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.