Finding the Fourth Proportional to 10,278,723.92, 14,184,161.16 and 5,632,481.36
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Solution
The fourth proportional to 10,278,723.92, 14,184,161.16 and 5,632,481.36 is: 7,772,562.43
Step by Step Solution
- Step 1: Write the proportion equation
10,278,723.92 : 14,184,161.16 = 5,632,481.36 : x - Step 2: Convert to fraction form
10,278,723.92/14,184,161.16 = 5,632,481.36/x - Step 3: Cross multiply
10,278,723.92x = 14,184,161.16 × 5,632,481.36 - Step 4: Simplify right side
10,278,723.92x = 79,892,023,340,935.98 - Step 5: Solve for x
x = 79,892,023,340,935.98/10,278,723.92 - Step 6: Final answer
x = 7,772,562.43
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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.