Finding the Fourth Proportional to 8,665,743.36, 12,993,755.58 and 5,936,374.56
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Solution
The fourth proportional to 8,665,743.36, 12,993,755.58 and 5,936,374.56 is: 8,901,232.92
Step by Step Solution
- Step 1: Write the proportion equation
8,665,743.36 : 12,993,755.58 = 5,936,374.56 : x - Step 2: Convert to fraction form
8,665,743.36/12,993,755.58 = 5,936,374.56/x - Step 3: Cross multiply
8,665,743.36x = 12,993,755.58 × 5,936,374.56 - Step 4: Simplify right side
8,665,743.36x = 77,135,800,063,970.05 - Step 5: Solve for x
x = 77,135,800,063,970.05/8,665,743.36 - Step 6: Final answer
x = 8,901,232.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.