Finding the Fourth Proportional to 21,590,363.62, 29,794,629.42 and 11,800,802.14
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Solution
The fourth proportional to 21,590,363.62, 29,794,629.42 and 11,800,802.14 is: 16,285,067.39
Step by Step Solution
- Step 1: Write the proportion equation
21,590,363.62 : 29,794,629.42 = 11,800,802.14 : x - Step 2: Convert to fraction form
21,590,363.62/29,794,629.42 = 11,800,802.14/x - Step 3: Cross multiply
21,590,363.62x = 29,794,629.42 × 11,800,802.14 - Step 4: Simplify right side
21,590,363.62x = 351,600,526,620,043 - Step 5: Solve for x
x = 351,600,526,620,043/21,590,363.62 - Step 6: Final answer
x = 16,285,067.39
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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.