Finding the Fourth Proportional to 8,958,879.06, 12,364,302.70 and 5,091,981.49
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Solution
The fourth proportional to 8,958,879.06, 12,364,302.70 and 5,091,981.49 is: 7,027,531.02
Step by Step Solution
- Step 1: Write the proportion equation
8,958,879.06 : 12,364,302.70 = 5,091,981.49 : x - Step 2: Convert to fraction form
8,958,879.06/12,364,302.70 = 5,091,981.49/x - Step 3: Cross multiply
8,958,879.06x = 12,364,302.70 × 5,091,981.49 - Step 4: Simplify right side
8,958,879.06x = 62,958,800,485,157.02 - Step 5: Solve for x
x = 62,958,800,485,157.02/8,958,879.06 - Step 6: Final answer
x = 7,027,531.02
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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.