Finding the Fourth Proportional to 11,879,054.58, 16,393,093.55 and 6,446,546.58
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Solution
The fourth proportional to 11,879,054.58, 16,393,093.55 and 6,446,546.58 is: 8,896,233.32
Step by Step Solution
- Step 1: Write the proportion equation
11,879,054.58 : 16,393,093.55 = 6,446,546.58 : x - Step 2: Convert to fraction form
11,879,054.58/16,393,093.55 = 6,446,546.58/x - Step 3: Cross multiply
11,879,054.58x = 16,393,093.55 × 6,446,546.58 - Step 4: Simplify right side
11,879,054.58x = 105,678,841,128,139.83 - Step 5: Solve for x
x = 105,678,841,128,139.83/11,879,054.58 - Step 6: Final answer
x = 8,896,233.32
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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.