Finding the Fourth Proportional to 11,992,470.62, 17,989,966.08 and 3,906,075.92
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Solution
The fourth proportional to 11,992,470.62, 17,989,966.08 and 3,906,075.92 is: 5,859,524.32
Step by Step Solution
- Step 1: Write the proportion equation
11,992,470.62 : 17,989,966.08 = 3,906,075.92 : x - Step 2: Convert to fraction form
11,992,470.62/17,989,966.08 = 3,906,075.92/x - Step 3: Cross multiply
11,992,470.62x = 17,989,966.08 × 3,906,075.92 - Step 4: Simplify right side
11,992,470.62x = 70,270,173,216,754.95 - Step 5: Solve for x
x = 70,270,173,216,754.95/11,992,470.62 - Step 6: Final answer
x = 5,859,524.32
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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.