Finding the Fourth Proportional to 7,438,343.84, 11,151,366.96 and 2,826,375.52
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Solution
The fourth proportional to 7,438,343.84, 11,151,366.96 and 2,826,375.52 is: 4,237,226.90
Step by Step Solution
- Step 1: Write the proportion equation
7,438,343.84 : 11,151,366.96 = 2,826,375.52 : x - Step 2: Convert to fraction form
7,438,343.84/11,151,366.96 = 2,826,375.52/x - Step 3: Cross multiply
7,438,343.84x = 11,151,366.96 × 2,826,375.52 - Step 4: Simplify right side
7,438,343.84x = 31,517,950,590,280.82 - Step 5: Solve for x
x = 31,517,950,590,280.82/7,438,343.84 - Step 6: Final answer
x = 4,237,226.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.