Finding the Fourth Proportional to 7,752,423.20, 11,629,698.68 and 2,633,479.06
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Solution
The fourth proportional to 7,752,423.20, 11,629,698.68 and 2,633,479.06 is: 3,950,579.99
Step by Step Solution
- Step 1: Write the proportion equation
7,752,423.20 : 11,629,698.68 = 2,633,479.06 : x - Step 2: Convert to fraction form
7,752,423.20/11,629,698.68 = 2,633,479.06/x - Step 3: Cross multiply
7,752,423.20x = 11,629,698.68 × 2,633,479.06 - Step 4: Simplify right side
7,752,423.20x = 30,626,567,947,889.64 - Step 5: Solve for x
x = 30,626,567,947,889.64/7,752,423.20 - Step 6: Final answer
x = 3,950,579.99
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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.