Finding the Fourth Proportional to 12,079,755.92, 18,104,463.12 and 7,225,644.08
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Solution
The fourth proportional to 12,079,755.92, 18,104,463.12 and 7,225,644.08 is: 10,829,391.56
Step by Step Solution
- Step 1: Write the proportion equation
12,079,755.92 : 18,104,463.12 = 7,225,644.08 : x - Step 2: Convert to fraction form
12,079,755.92/18,104,463.12 = 7,225,644.08/x - Step 3: Cross multiply
12,079,755.92x = 18,104,463.12 × 7,225,644.08 - Step 4: Simplify right side
12,079,755.92x = 130,816,406,764,606.34 - Step 5: Solve for x
x = 130,816,406,764,606.34/12,079,755.92 - Step 6: Final answer
x = 10,829,391.56
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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.