Finding the Fourth Proportional to 33,678,422.47, 46,476,232.26 and 18,590,680.09
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Solution
The fourth proportional to 33,678,422.47, 46,476,232.26 and 18,590,680.09 is: 25,655,143.63
Step by Step Solution
- Step 1: Write the proportion equation
33,678,422.47 : 46,476,232.26 = 18,590,680.09 : x - Step 2: Convert to fraction form
33,678,422.47/46,476,232.26 = 18,590,680.09/x - Step 3: Cross multiply
33,678,422.47x = 46,476,232.26 × 18,590,680.09 - Step 4: Simplify right side
33,678,422.47x = 864,024,765,501,816.50 - Step 5: Solve for x
x = 864,024,765,501,816.50/33,678,422.47 - Step 6: Final answer
x = 25,655,143.63
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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.