Finding the Fourth Proportional to 11,438,179.02, 15,780,739.68 and 7,310,626.38
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Solution
The fourth proportional to 11,438,179.02, 15,780,739.68 and 7,310,626.38 is: 10,086,141.47
Step by Step Solution
- Step 1: Write the proportion equation
11,438,179.02 : 15,780,739.68 = 7,310,626.38 : x - Step 2: Convert to fraction form
11,438,179.02/15,780,739.68 = 7,310,626.38/x - Step 3: Cross multiply
11,438,179.02x = 15,780,739.68 × 7,310,626.38 - Step 4: Simplify right side
11,438,179.02x = 115,367,091,800,520.75 - Step 5: Solve for x
x = 115,367,091,800,520.75/11,438,179.02 - Step 6: Final answer
x = 10,086,141.47
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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.