Finding the Fourth Proportional to 7,797,284.13, 11,693,438.78 and 2,678,479.70
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Solution
The fourth proportional to 7,797,284.13, 11,693,438.78 and 2,678,479.70 is: 4,016,865.08
Step by Step Solution
- Step 1: Write the proportion equation
7,797,284.13 : 11,693,438.78 = 2,678,479.70 : x - Step 2: Convert to fraction form
7,797,284.13/11,693,438.78 = 2,678,479.70/x - Step 3: Cross multiply
7,797,284.13x = 11,693,438.78 × 2,678,479.70 - Step 4: Simplify right side
7,797,284.13x = 31,320,638,358,268.57 - Step 5: Solve for x
x = 31,320,638,358,268.57/7,797,284.13 - Step 6: Final answer
x = 4,016,865.08
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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.