Finding the Fourth Proportional to 11,146,673.40, 15,382,568.70 and 8,350,842.84
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Solution
The fourth proportional to 11,146,673.40, 15,382,568.70 and 8,350,842.84 is: 11,524,282.54
Step by Step Solution
- Step 1: Write the proportion equation
11,146,673.40 : 15,382,568.70 = 8,350,842.84 : x - Step 2: Convert to fraction form
11,146,673.40/15,382,568.70 = 8,350,842.84/x - Step 3: Cross multiply
11,146,673.40x = 15,382,568.70 × 8,350,842.84 - Step 4: Simplify right side
11,146,673.40x = 128,457,413,689,203.09 - Step 5: Solve for x
x = 128,457,413,689,203.09/11,146,673.40 - Step 6: Final answer
x = 11,524,282.54
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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.