Finding the Fourth Proportional to 8,816,989.68, 12,163,968.72 and 5,093,359.68
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Solution
The fourth proportional to 8,816,989.68, 12,163,968.72 and 5,093,359.68 is: 7,026,827.76
Step by Step Solution
- Step 1: Write the proportion equation
8,816,989.68 : 12,163,968.72 = 5,093,359.68 : x - Step 2: Convert to fraction form
8,816,989.68/12,163,968.72 = 5,093,359.68/x - Step 3: Cross multiply
8,816,989.68x = 12,163,968.72 × 5,093,359.68 - Step 4: Simplify right side
8,816,989.68x = 61,955,467,827,229.21 - Step 5: Solve for x
x = 61,955,467,827,229.21/8,816,989.68 - Step 6: Final answer
x = 7,026,827.76
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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.