Finding the Fourth Proportional to 8,278,955.62, 12,417,455.43 and 2,214,157.39
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Solution
The fourth proportional to 8,278,955.62, 12,417,455.43 and 2,214,157.39 is: 3,320,974.52
Step by Step Solution
- Step 1: Write the proportion equation
8,278,955.62 : 12,417,455.43 = 2,214,157.39 : x - Step 2: Convert to fraction form
8,278,955.62/12,417,455.43 = 2,214,157.39/x - Step 3: Cross multiply
8,278,955.62x = 12,417,455.43 × 2,214,157.39 - Step 4: Simplify right side
8,278,955.62x = 27,494,200,705,330.13 - Step 5: Solve for x
x = 27,494,200,705,330.13/8,278,955.62 - Step 6: Final answer
x = 3,320,974.52
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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.