Finding the Fourth Proportional to 8,439,719.44, 12,659,480.16 and 2,049,977.68
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Solution
The fourth proportional to 8,439,719.44, 12,659,480.16 and 2,049,977.68 is: 3,074,942.47
Step by Step Solution
- Step 1: Write the proportion equation
8,439,719.44 : 12,659,480.16 = 2,049,977.68 : x - Step 2: Convert to fraction form
8,439,719.44/12,659,480.16 = 2,049,977.68/x - Step 3: Cross multiply
8,439,719.44x = 12,659,480.16 × 2,049,977.68 - Step 4: Simplify right side
8,439,719.44x = 25,951,651,768,402.83 - Step 5: Solve for x
x = 25,951,651,768,402.83/8,439,719.44 - Step 6: Final answer
x = 3,074,942.47
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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.