Finding the Fourth Proportional to 7,989,019.23, 11,983,616.34 and 2,309,292.75
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Solution
The fourth proportional to 7,989,019.23, 11,983,616.34 and 2,309,292.75 is: 3,463,964.42
Step by Step Solution
- Step 1: Write the proportion equation
7,989,019.23 : 11,983,616.34 = 2,309,292.75 : x - Step 2: Convert to fraction form
7,989,019.23/11,983,616.34 = 2,309,292.75/x - Step 3: Cross multiply
7,989,019.23x = 11,983,616.34 × 2,309,292.75 - Step 4: Simplify right side
7,989,019.23x = 27,673,678,332,743.54 - Step 5: Solve for x
x = 27,673,678,332,743.54/7,989,019.23 - Step 6: Final answer
x = 3,463,964.42
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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.