Finding the Fourth Proportional to 19,378,571.47, 29,073,540.84 and 5,732,076.94
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Solution
The fourth proportional to 19,378,571.47, 29,073,540.84 and 5,732,076.94 is: 8,599,796.60
Step by Step Solution
- Step 1: Write the proportion equation
19,378,571.47 : 29,073,540.84 = 5,732,076.94 : x - Step 2: Convert to fraction form
19,378,571.47/29,073,540.84 = 5,732,076.94/x - Step 3: Cross multiply
19,378,571.47x = 29,073,540.84 × 5,732,076.94 - Step 4: Simplify right side
19,378,571.47x = 166,651,773,013,112.25 - Step 5: Solve for x
x = 166,651,773,013,112.25/19,378,571.47 - Step 6: Final answer
x = 8,599,796.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.