Finding the Fourth Proportional to 7,972,717.09, 11,960,976.36 and 2,581,369.14
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Solution
The fourth proportional to 7,972,717.09, 11,960,976.36 and 2,581,369.14 is: 3,872,669.12
Step by Step Solution
- Step 1: Write the proportion equation
7,972,717.09 : 11,960,976.36 = 2,581,369.14 : x - Step 2: Convert to fraction form
7,972,717.09/11,960,976.36 = 2,581,369.14/x - Step 3: Cross multiply
7,972,717.09x = 11,960,976.36 × 2,581,369.14 - Step 4: Simplify right side
7,972,717.09x = 30,875,695,259,973.53 - Step 5: Solve for x
x = 30,875,695,259,973.53/7,972,717.09 - Step 6: Final answer
x = 3,872,669.12
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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.