Finding the Fourth Proportional to 11,785,711.68, 16,264,450.08 and 6,956,815.68
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Solution
The fourth proportional to 11,785,711.68, 16,264,450.08 and 6,956,815.68 is: 9,600,504.78
Step by Step Solution
- Step 1: Write the proportion equation
11,785,711.68 : 16,264,450.08 = 6,956,815.68 : x - Step 2: Convert to fraction form
11,785,711.68/16,264,450.08 = 6,956,815.68/x - Step 3: Cross multiply
11,785,711.68x = 16,264,450.08 × 6,956,815.68 - Step 4: Simplify right side
11,785,711.68x = 113,148,781,343,121.25 - Step 5: Solve for x
x = 113,148,781,343,121.25/11,785,711.68 - Step 6: Final answer
x = 9,600,504.78
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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.