Finding the Fourth Proportional to 7,048,546.12, 9,726,804.66 and 4,148,107.84
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Solution
The fourth proportional to 7,048,546.12, 9,726,804.66 and 4,148,107.84 is: 5,724,277.60
Step by Step Solution
- Step 1: Write the proportion equation
7,048,546.12 : 9,726,804.66 = 4,148,107.84 : x - Step 2: Convert to fraction form
7,048,546.12/9,726,804.66 = 4,148,107.84/x - Step 3: Cross multiply
7,048,546.12x = 9,726,804.66 × 4,148,107.84 - Step 4: Simplify right side
7,048,546.12x = 40,347,834,668,294.53 - Step 5: Solve for x
x = 40,347,834,668,294.53/7,048,546.12 - Step 6: Final answer
x = 5,724,277.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.