Finding the Fourth Proportional to 25,889,582.63, 35,728,482.17 and 14,129,494.97
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Solution
The fourth proportional to 25,889,582.63, 35,728,482.17 and 14,129,494.97 is: 19,499,171.39
Step by Step Solution
- Step 1: Write the proportion equation
25,889,582.63 : 35,728,482.17 = 14,129,494.97 : x - Step 2: Convert to fraction form
25,889,582.63/35,728,482.17 = 14,129,494.97/x - Step 3: Cross multiply
25,889,582.63x = 35,728,482.17 × 14,129,494.97 - Step 4: Simplify right side
25,889,582.63x = 504,825,408,963,431 - Step 5: Solve for x
x = 504,825,408,963,431/25,889,582.63 - Step 6: Final answer
x = 19,499,171.39
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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.