Finding the Fourth Proportional to 18,554,725.60, 27,888,075.60 and 16,091,288.80
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Solution
The fourth proportional to 18,554,725.60, 27,888,075.60 and 16,091,288.80 is: 24,185,487.20
Step by Step Solution
- Step 1: Write the proportion equation
18,554,725.60 : 27,888,075.60 = 16,091,288.80 : x - Step 2: Convert to fraction form
18,554,725.60/27,888,075.60 = 16,091,288.80/x - Step 3: Cross multiply
18,554,725.60x = 27,888,075.60 × 16,091,288.80 - Step 4: Simplify right side
18,554,725.60x = 448,755,078,555,833.31 - Step 5: Solve for x
x = 448,755,078,555,833.31/18,554,725.60 - Step 6: Final answer
x = 24,185,487.20
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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.