Finding the Fourth Proportional to 7,487,336.10, 11,232,245.70 and 2,628,382.56
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Solution
The fourth proportional to 7,487,336.10, 11,232,245.70 and 2,628,382.56 is: 3,943,009.68
Step by Step Solution
- Step 1: Write the proportion equation
7,487,336.10 : 11,232,245.70 = 2,628,382.56 : x - Step 2: Convert to fraction form
7,487,336.10/11,232,245.70 = 2,628,382.56/x - Step 3: Cross multiply
7,487,336.10x = 11,232,245.70 × 2,628,382.56 - Step 4: Simplify right side
7,487,336.10x = 29,522,638,707,514.99 - Step 5: Solve for x
x = 29,522,638,707,514.99/7,487,336.10 - Step 6: Final answer
x = 3,943,009.68
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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.