Finding the Fourth Proportional to 12,264,380.60, 18,382,620.66 and 7,461,482.68
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Solution
The fourth proportional to 12,264,380.60, 18,382,620.66 and 7,461,482.68 is: 11,183,736.88
Step by Step Solution
- Step 1: Write the proportion equation
12,264,380.60 : 18,382,620.66 = 7,461,482.68 : x - Step 2: Convert to fraction form
12,264,380.60/18,382,620.66 = 7,461,482.68/x - Step 3: Cross multiply
12,264,380.60x = 18,382,620.66 × 7,461,482.68 - Step 4: Simplify right side
12,264,380.60x = 137,161,605,667,600.17 - Step 5: Solve for x
x = 137,161,605,667,600.17/12,264,380.60 - Step 6: Final answer
x = 11,183,736.88
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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.