Finding the Fourth Proportional to 8,520,676.12, 12,787,361.88 and 6,252,062.68
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Solution
The fourth proportional to 8,520,676.12, 12,787,361.88 and 6,252,062.68 is: 9,382,751.66
Step by Step Solution
- Step 1: Write the proportion equation
8,520,676.12 : 12,787,361.88 = 6,252,062.68 : x - Step 2: Convert to fraction form
8,520,676.12/12,787,361.88 = 6,252,062.68/x - Step 3: Cross multiply
8,520,676.12x = 12,787,361.88 × 6,252,062.68 - Step 4: Simplify right side
8,520,676.12x = 79,947,387,985,602.64 - Step 5: Solve for x
x = 79,947,387,985,602.64/8,520,676.12 - Step 6: Final answer
x = 9,382,751.66
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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.