Finding the Fourth Proportional to 19,624,338.99, 27,081,314.82 and 10,922,513.85
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Solution
The fourth proportional to 19,624,338.99, 27,081,314.82 and 10,922,513.85 is: 15,072,917.17
Step by Step Solution
- Step 1: Write the proportion equation
19,624,338.99 : 27,081,314.82 = 10,922,513.85 : x - Step 2: Convert to fraction form
19,624,338.99/27,081,314.82 = 10,922,513.85/x - Step 3: Cross multiply
19,624,338.99x = 27,081,314.82 × 10,922,513.85 - Step 4: Simplify right side
19,624,338.99x = 295,796,036,197,660.25 - Step 5: Solve for x
x = 295,796,036,197,660.25/19,624,338.99 - Step 6: Final answer
x = 15,072,917.17
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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.