Finding the Fourth Proportional to 9,591,728.74, 13,236,678.65 and 5,240,814.65
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Solution
The fourth proportional to 9,591,728.74, 13,236,678.65 and 5,240,814.65 is: 7,232,375.03
Step by Step Solution
- Step 1: Write the proportion equation
9,591,728.74 : 13,236,678.65 = 5,240,814.65 : x - Step 2: Convert to fraction form
9,591,728.74/13,236,678.65 = 5,240,814.65/x - Step 3: Cross multiply
9,591,728.74x = 13,236,678.65 × 5,240,814.65 - Step 4: Simplify right side
9,591,728.74x = 69,370,979,382,818.41 - Step 5: Solve for x
x = 69,370,979,382,818.41/9,591,728.74 - Step 6: Final answer
x = 7,232,375.03
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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.