Finding the Fourth Proportional to 22,145,425.20, 33,218,137.80 and 16,764,585.09
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Solution
The fourth proportional to 22,145,425.20, 33,218,137.80 and 16,764,585.09 is: 25,146,877.64
Step by Step Solution
- Step 1: Write the proportion equation
22,145,425.20 : 33,218,137.80 = 16,764,585.09 : x - Step 2: Convert to fraction form
22,145,425.20/33,218,137.80 = 16,764,585.09/x - Step 3: Cross multiply
22,145,425.20x = 33,218,137.80 × 16,764,585.09 - Step 4: Simplify right side
22,145,425.20x = 556,888,297,679,445.44 - Step 5: Solve for x
x = 556,888,297,679,445.44/22,145,425.20 - Step 6: Final answer
x = 25,146,877.64
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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.