Finding the Fourth Proportional to 12,463,634.52, 18,692,564.94 and 3,942,382.68
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Solution
The fourth proportional to 12,463,634.52, 18,692,564.94 and 3,942,382.68 is: 5,912,660.88
Step by Step Solution
- Step 1: Write the proportion equation
12,463,634.52 : 18,692,564.94 = 3,942,382.68 : x - Step 2: Convert to fraction form
12,463,634.52/18,692,564.94 = 3,942,382.68/x - Step 3: Cross multiply
12,463,634.52x = 18,692,564.94 × 3,942,382.68 - Step 4: Simplify right side
12,463,634.52x = 73,693,244,264,231.25 - Step 5: Solve for x
x = 73,693,244,264,231.25/12,463,634.52 - Step 6: Final answer
x = 5,912,660.88
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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.