Finding the Fourth Proportional to 7,471,606.65, 11,193,894.10 and 3,431,474.07
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Solution
The fourth proportional to 7,471,606.65, 11,193,894.10 and 3,431,474.07 is: 5,141,003.69
Step by Step Solution
- Step 1: Write the proportion equation
7,471,606.65 : 11,193,894.10 = 3,431,474.07 : x - Step 2: Convert to fraction form
7,471,606.65/11,193,894.10 = 3,431,474.07/x - Step 3: Cross multiply
7,471,606.65x = 11,193,894.10 × 3,431,474.07 - Step 4: Simplify right side
7,471,606.65x = 38,411,557,346,475.98 - Step 5: Solve for x
x = 38,411,557,346,475.98/7,471,606.65 - Step 6: Final answer
x = 5,141,003.69
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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.