Finding the Fourth Proportional to 39,777,271.05, 54,892,082.79 and 22,373,628.06
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Solution
The fourth proportional to 39,777,271.05, 54,892,082.79 and 22,373,628.06 is: 30,875,296.65
Step by Step Solution
- Step 1: Write the proportion equation
39,777,271.05 : 54,892,082.79 = 22,373,628.06 : x - Step 2: Convert to fraction form
39,777,271.05/54,892,082.79 = 22,373,628.06/x - Step 3: Cross multiply
39,777,271.05x = 54,892,082.79 × 22,373,628.06 - Step 4: Simplify right side
39,777,271.05x = 1,228,135,043,782,187 - Step 5: Solve for x
x = 1,228,135,043,782,187/39,777,271.05 - Step 6: Final answer
x = 30,875,296.65
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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.