Finding the Fourth Proportional to 8,079,477.26, 11,139,593.85 and 5,174,091.50
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Solution
The fourth proportional to 8,079,477.26, 11,139,593.85 and 5,174,091.50 is: 7,133,787.99
Step by Step Solution
- Step 1: Write the proportion equation
8,079,477.26 : 11,139,593.85 = 5,174,091.50 : x - Step 2: Convert to fraction form
8,079,477.26/11,139,593.85 = 5,174,091.50/x - Step 3: Cross multiply
8,079,477.26x = 11,139,593.85 × 5,174,091.50 - Step 4: Simplify right side
8,079,477.26x = 57,637,277,797,039.30 - Step 5: Solve for x
x = 57,637,277,797,039.30/8,079,477.26 - Step 6: Final answer
x = 7,133,787.99
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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.