Finding the Fourth Proportional to 7,399,138.68, 10,207,976.67 and 4,497,470.82
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Solution
The fourth proportional to 7,399,138.68, 10,207,976.67 and 4,497,470.82 is: 6,204,786.69
Step by Step Solution
- Step 1: Write the proportion equation
7,399,138.68 : 10,207,976.67 = 4,497,470.82 : x - Step 2: Convert to fraction form
7,399,138.68/10,207,976.67 = 4,497,470.82/x - Step 3: Cross multiply
7,399,138.68x = 10,207,976.67 × 4,497,470.82 - Step 4: Simplify right side
7,399,138.68x = 45,910,077,204,565.77 - Step 5: Solve for x
x = 45,910,077,204,565.77/7,399,138.68 - Step 6: Final answer
x = 6,204,786.69
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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.