Finding the Fourth Proportional to 19,760,721.04, 27,269,208.26 and 10,940,564.62
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Solution
The fourth proportional to 19,760,721.04, 27,269,208.26 and 10,940,564.62 is: 15,097,654.31
Step by Step Solution
- Step 1: Write the proportion equation
19,760,721.04 : 27,269,208.26 = 10,940,564.62 : x - Step 2: Convert to fraction form
19,760,721.04/27,269,208.26 = 10,940,564.62/x - Step 3: Cross multiply
19,760,721.04x = 27,269,208.26 × 10,940,564.62 - Step 4: Simplify right side
19,760,721.04x = 298,340,535,104,767.75 - Step 5: Solve for x
x = 298,340,535,104,767.75/19,760,721.04 - Step 6: Final answer
x = 15,097,654.31
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1.5x scale
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.