Finding the Fourth Proportional to 19,707,775.98, 27,192,786.01 and 11,004,609.48
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Solution
The fourth proportional to 19,707,775.98, 27,192,786.01 and 11,004,609.48 is: 15,184,158.32
Step by Step Solution
- Step 1: Write the proportion equation
19,707,775.98 : 27,192,786.01 = 11,004,609.48 : x - Step 2: Convert to fraction form
19,707,775.98/27,192,786.01 = 11,004,609.48/x - Step 3: Cross multiply
19,707,775.98x = 27,192,786.01 × 11,004,609.48 - Step 4: Simplify right side
19,707,775.98x = 299,245,990,713,257.38 - Step 5: Solve for x
x = 299,245,990,713,257.38/19,707,775.98 - Step 6: Final answer
x = 15,184,158.32
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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.