Finding the Fourth Proportional to 10,780,424.80, 16,170,896.40 and 3,207,637.60
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Solution
The fourth proportional to 10,780,424.80, 16,170,896.40 and 3,207,637.60 is: 4,811,533.52
Step by Step Solution
- Step 1: Write the proportion equation
10,780,424.80 : 16,170,896.40 = 3,207,637.60 : x - Step 2: Convert to fraction form
10,780,424.80/16,170,896.40 = 3,207,637.60/x - Step 3: Cross multiply
10,780,424.80x = 16,170,896.40 × 3,207,637.60 - Step 4: Simplify right side
10,780,424.80x = 51,870,375,318,344.64 - Step 5: Solve for x
x = 51,870,375,318,344.64/10,780,424.80 - Step 6: Final answer
x = 4,811,533.52
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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.