Finding the Fourth Proportional to 21,893,449.20, 32,784,186.60 and 16,182,754.80
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Solution
The fourth proportional to 21,893,449.20, 32,784,186.60 and 16,182,754.80 is: 24,232,748.72
Step by Step Solution
- Step 1: Write the proportion equation
21,893,449.20 : 32,784,186.60 = 16,182,754.80 : x - Step 2: Convert to fraction form
21,893,449.20/32,784,186.60 = 16,182,754.80/x - Step 3: Cross multiply
21,893,449.20x = 32,784,186.60 × 16,182,754.80 - Step 4: Simplify right side
21,893,449.20x = 530,538,453,065,245.75 - Step 5: Solve for x
x = 530,538,453,065,245.75/21,893,449.20 - Step 6: Final answer
x = 24,232,748.72
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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.