Finding the Fourth Proportional to 7,436,138.59, 11,151,845.92 and 2,386,268.11
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Solution
The fourth proportional to 7,436,138.59, 11,151,845.92 and 2,386,268.11 is: 3,578,644.21
Step by Step Solution
- Step 1: Write the proportion equation
7,436,138.59 : 11,151,845.92 = 2,386,268.11 : x - Step 2: Convert to fraction form
7,436,138.59/11,151,845.92 = 2,386,268.11/x - Step 3: Cross multiply
7,436,138.59x = 11,151,845.92 × 2,386,268.11 - Step 4: Simplify right side
7,436,138.59x = 26,611,294,286,529.61 - Step 5: Solve for x
x = 26,611,294,286,529.61/7,436,138.59 - Step 6: Final answer
x = 3,578,644.21
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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.