Finding the Fourth Proportional to 8,268,784.67, 12,402,368.82 and 2,511,568.28
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Solution
The fourth proportional to 8,268,784.67, 12,402,368.82 and 2,511,568.28 is: 3,767,106.94
Step by Step Solution
- Step 1: Write the proportion equation
8,268,784.67 : 12,402,368.82 = 2,511,568.28 : x - Step 2: Convert to fraction form
8,268,784.67/12,402,368.82 = 2,511,568.28/x - Step 3: Cross multiply
8,268,784.67x = 12,402,368.82 × 2,511,568.28 - Step 4: Simplify right side
8,268,784.67x = 31,149,396,156,178.95 - Step 5: Solve for x
x = 31,149,396,156,178.95/8,268,784.67 - Step 6: Final answer
x = 3,767,106.94
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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.