Finding the Fourth Proportional to 12,755,891.14, 19,133,907.18 and 3,171,269.68
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Solution
The fourth proportional to 12,755,891.14, 19,133,907.18 and 3,171,269.68 is: 4,756,922.04
Step by Step Solution
- Step 1: Write the proportion equation
12,755,891.14 : 19,133,907.18 = 3,171,269.68 : x - Step 2: Convert to fraction form
12,755,891.14/19,133,907.18 = 3,171,269.68/x - Step 3: Cross multiply
12,755,891.14x = 19,133,907.18 × 3,171,269.68 - Step 4: Simplify right side
12,755,891.14x = 60,678,779,640,141.27 - Step 5: Solve for x
x = 60,678,779,640,141.27/12,755,891.14 - Step 6: Final answer
x = 4,756,922.04
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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.