Finding the Fourth Proportional to 18,976,689.13, 26,187,843.36 and 10,274,867.64
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Solution
The fourth proportional to 18,976,689.13, 26,187,843.36 and 10,274,867.64 is: 14,179,324.03
Step by Step Solution
- Step 1: Write the proportion equation
18,976,689.13 : 26,187,843.36 = 10,274,867.64 : x - Step 2: Convert to fraction form
18,976,689.13/26,187,843.36 = 10,274,867.64/x - Step 3: Cross multiply
18,976,689.13x = 26,187,843.36 × 10,274,867.64 - Step 4: Simplify right side
18,976,689.13x = 269,076,624,118,739.31 - Step 5: Solve for x
x = 269,076,624,118,739.31/18,976,689.13 - Step 6: Final answer
x = 14,179,324.03
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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.