Finding the Fourth Proportional to 11,146,675.40, 15,382,571.46 and 8,350,844.84
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Solution
The fourth proportional to 11,146,675.40, 15,382,571.46 and 8,350,844.84 is: 11,524,285.30
Step by Step Solution
- Step 1: Write the proportion equation
11,146,675.40 : 15,382,571.46 = 8,350,844.84 : x - Step 2: Convert to fraction form
11,146,675.40/15,382,571.46 = 8,350,844.84/x - Step 3: Cross multiply
11,146,675.40x = 15,382,571.46 × 8,350,844.84 - Step 4: Simplify right side
11,146,675.40x = 128,457,467,502,672.27 - Step 5: Solve for x
x = 128,457,467,502,672.27/11,146,675.40 - Step 6: Final answer
x = 11,524,285.30
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1.5x scale
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.