Finding the Fourth Proportional to 22,147,276.40, 33,206,480.40 and 19,879,794.80
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Solution
The fourth proportional to 22,147,276.40, 33,206,480.40 and 19,879,794.80 is: 29,806,735.80
Step by Step Solution
- Step 1: Write the proportion equation
22,147,276.40 : 33,206,480.40 = 19,879,794.80 : x - Step 2: Convert to fraction form
22,147,276.40/33,206,480.40 = 19,879,794.80/x - Step 3: Cross multiply
22,147,276.40x = 33,206,480.40 × 19,879,794.80 - Step 4: Simplify right side
22,147,276.40x = 660,138,016,382,221.88 - Step 5: Solve for x
x = 660,138,016,382,221.88/22,147,276.40 - Step 6: Final answer
x = 29,806,735.80
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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.