Finding the Fourth Proportional to 25,889,542.64, 35,728,326.30 and 14,129,565.29
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Solution
The fourth proportional to 25,889,542.64, 35,728,326.30 and 14,129,565.29 is: 19,499,213.49
Step by Step Solution
- Step 1: Write the proportion equation
25,889,542.64 : 35,728,326.30 = 14,129,565.29 : x - Step 2: Convert to fraction form
25,889,542.64/35,728,326.30 = 14,129,565.29/x - Step 3: Cross multiply
25,889,542.64x = 35,728,326.30 × 14,129,565.29 - Step 4: Simplify right side
25,889,542.64x = 504,825,719,158,274.06 - Step 5: Solve for x
x = 504,825,719,158,274.06/25,889,542.64 - Step 6: Final answer
x = 19,499,213.49
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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.