Finding the Fourth Proportional to 7,992,160.41, 11,986,244.87 and 3,135,456.75
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Solution
The fourth proportional to 7,992,160.41, 11,986,244.87 and 3,135,456.75 is: 4,702,402.16
Step by Step Solution
- Step 1: Write the proportion equation
7,992,160.41 : 11,986,244.87 = 3,135,456.75 : x - Step 2: Convert to fraction form
7,992,160.41/11,986,244.87 = 3,135,456.75/x - Step 3: Cross multiply
7,992,160.41x = 11,986,244.87 × 3,135,456.75 - Step 4: Simplify right side
7,992,160.41x = 37,582,352,369,117.09 - Step 5: Solve for x
x = 37,582,352,369,117.09/7,992,160.41 - Step 6: Final answer
x = 4,702,402.16
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.