Finding the Fourth Proportional to 11,670,467.60, 17,493,891.60 and 6,875,688.80
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Solution
The fourth proportional to 11,670,467.60, 17,493,891.60 and 6,875,688.80 is: 10,306,575.42
Step by Step Solution
- Step 1: Write the proportion equation
11,670,467.60 : 17,493,891.60 = 6,875,688.80 : x - Step 2: Convert to fraction form
11,670,467.60/17,493,891.60 = 6,875,688.80/x - Step 3: Cross multiply
11,670,467.60x = 17,493,891.60 × 6,875,688.80 - Step 4: Simplify right side
11,670,467.60x = 120,282,554,542,534.09 - Step 5: Solve for x
x = 120,282,554,542,534.09/11,670,467.60 - Step 6: Final answer
x = 10,306,575.42
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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.