Finding the Fourth Proportional to 12,687,960.57, 17,509,403.28 and 6,886,743.49
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Solution
The fourth proportional to 12,687,960.57, 17,509,403.28 and 6,886,743.49 is: 9,503,715.62
Step by Step Solution
- Step 1: Write the proportion equation
12,687,960.57 : 17,509,403.28 = 6,886,743.49 : x - Step 2: Convert to fraction form
12,687,960.57/17,509,403.28 = 6,886,743.49/x - Step 3: Cross multiply
12,687,960.57x = 17,509,403.28 × 6,886,743.49 - Step 4: Simplify right side
12,687,960.57x = 120,582,769,052,324.66 - Step 5: Solve for x
x = 120,582,769,052,324.66/12,687,960.57 - Step 6: Final answer
x = 9,503,715.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.