Finding the Fourth Proportional to 7,119,936.68, 9,825,559.80 and 3,856,751.41
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Solution
The fourth proportional to 7,119,936.68, 9,825,559.80 and 3,856,751.41 is: 5,322,342.50
Step by Step Solution
- Step 1: Write the proportion equation
7,119,936.68 : 9,825,559.80 = 3,856,751.41 : x - Step 2: Convert to fraction form
7,119,936.68/9,825,559.80 = 3,856,751.41/x - Step 3: Cross multiply
7,119,936.68x = 9,825,559.80 × 3,856,751.41 - Step 4: Simplify right side
7,119,936.68x = 37,894,741,573,662.60 - Step 5: Solve for x
x = 37,894,741,573,662.60/7,119,936.68 - Step 6: Final answer
x = 5,322,342.50
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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.