Finding the Fourth Proportional to 7,254,174.24, 10,010,760.84 and 3,990,919.14
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Solution
The fourth proportional to 7,254,174.24, 10,010,760.84 and 3,990,919.14 is: 5,507,468.63
Step by Step Solution
- Step 1: Write the proportion equation
7,254,174.24 : 10,010,760.84 = 3,990,919.14 : x - Step 2: Convert to fraction form
7,254,174.24/10,010,760.84 = 3,990,919.14/x - Step 3: Cross multiply
7,254,174.24x = 10,010,760.84 × 3,990,919.14 - Step 4: Simplify right side
7,254,174.24x = 39,952,137,042,318.48 - Step 5: Solve for x
x = 39,952,137,042,318.48/7,254,174.24 - Step 6: Final answer
x = 5,507,468.63
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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.