Finding the Fourth Proportional to 7,784,551.20, 11,677,942.80 and 2,393,654.40
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Solution
The fourth proportional to 7,784,551.20, 11,677,942.80 and 2,393,654.40 is: 3,590,824.76
Step by Step Solution
- Step 1: Write the proportion equation
7,784,551.20 : 11,677,942.80 = 2,393,654.40 : x - Step 2: Convert to fraction form
7,784,551.20/11,677,942.80 = 2,393,654.40/x - Step 3: Cross multiply
7,784,551.20x = 11,677,942.80 × 2,393,654.40 - Step 4: Simplify right side
7,784,551.20x = 27,952,959,166,168.32 - Step 5: Solve for x
x = 27,952,959,166,168.32/7,784,551.20 - Step 6: Final answer
x = 3,590,824.76
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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.