Finding the Fourth Proportional to 11,006,240.16, 16,435,246.55 and 8,988,489.66
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Solution
The fourth proportional to 11,006,240.16, 16,435,246.55 and 8,988,489.66 is: 13,422,207.90
Step by Step Solution
- Step 1: Write the proportion equation
11,006,240.16 : 16,435,246.55 = 8,988,489.66 : x - Step 2: Convert to fraction form
11,006,240.16/16,435,246.55 = 8,988,489.66/x - Step 3: Cross multiply
11,006,240.16x = 16,435,246.55 × 8,988,489.66 - Step 4: Simplify right side
11,006,240.16x = 147,728,043,674,225.69 - Step 5: Solve for x
x = 147,728,043,674,225.69/11,006,240.16 - Step 6: Final answer
x = 13,422,207.90
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.