Finding the Fourth Proportional to 11,992,471.62, 17,989,967.58 and 3,906,076.92
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Solution
The fourth proportional to 11,992,471.62, 17,989,967.58 and 3,906,076.92 is: 5,859,525.82
Step by Step Solution
- Step 1: Write the proportion equation
11,992,471.62 : 17,989,967.58 = 3,906,076.92 : x - Step 2: Convert to fraction form
11,992,471.62/17,989,967.58 = 3,906,076.92/x - Step 3: Cross multiply
11,992,471.62x = 17,989,967.58 × 3,906,076.92 - Step 4: Simplify right side
11,992,471.62x = 70,270,197,155,786.24 - Step 5: Solve for x
x = 70,270,197,155,786.24/11,992,471.62 - Step 6: Final answer
x = 5,859,525.82
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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.