Finding the Fourth Proportional to 8,471,583, 12,693,222.18 and 5,268,804.12
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Solution
The fourth proportional to 8,471,583, 12,693,222.18 and 5,268,804.12 is: 7,894,404.31
Step by Step Solution
- Step 1: Write the proportion equation
8,471,583 : 12,693,222.18 = 5,268,804.12 : x - Step 2: Convert to fraction form
8,471,583/12,693,222.18 = 5,268,804.12/x - Step 3: Cross multiply
8,471,583x = 12,693,222.18 × 5,268,804.12 - Step 4: Simplify right side
8,471,583x = 66,878,101,318,059.38 - Step 5: Solve for x
x = 66,878,101,318,059.38/8,471,583 - Step 6: Final answer
x = 7,894,404.31
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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.