Finding the Fourth Proportional to 8,252,914.74, 12,363,268.05 and 5,404,390.98
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Solution
The fourth proportional to 8,252,914.74, 12,363,268.05 and 5,404,390.98 is: 8,096,040.79
Step by Step Solution
- Step 1: Write the proportion equation
8,252,914.74 : 12,363,268.05 = 5,404,390.98 : x - Step 2: Convert to fraction form
8,252,914.74/12,363,268.05 = 5,404,390.98/x - Step 3: Cross multiply
8,252,914.74x = 12,363,268.05 × 5,404,390.98 - Step 4: Simplify right side
8,252,914.74x = 66,815,934,332,742.20 - Step 5: Solve for x
x = 66,815,934,332,742.20/8,252,914.74 - Step 6: Final answer
x = 8,096,040.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.