Finding the Fourth Proportional to 22,505,645.44, 31,057,619.04 and 12,192,294.76
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Solution
The fourth proportional to 22,505,645.44, 31,057,619.04 and 12,192,294.76 is: 16,825,273.77
Step by Step Solution
- Step 1: Write the proportion equation
22,505,645.44 : 31,057,619.04 = 12,192,294.76 : x - Step 2: Convert to fraction form
22,505,645.44/31,057,619.04 = 12,192,294.76/x - Step 3: Cross multiply
22,505,645.44x = 31,057,619.04 × 12,192,294.76 - Step 4: Simplify right side
22,505,645.44x = 378,663,645,879,468.19 - Step 5: Solve for x
x = 378,663,645,879,468.19/22,505,645.44 - Step 6: Final answer
x = 16,825,273.77
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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.