Finding the Fourth Proportional to 8,330,118.11, 12,496,881.39 and 2,864,503.08
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Solution
The fourth proportional to 8,330,118.11, 12,496,881.39 and 2,864,503.08 is: 4,297,340.66
Step by Step Solution
- Step 1: Write the proportion equation
8,330,118.11 : 12,496,881.39 = 2,864,503.08 : x - Step 2: Convert to fraction form
8,330,118.11/12,496,881.39 = 2,864,503.08/x - Step 3: Cross multiply
8,330,118.11x = 12,496,881.39 × 2,864,503.08 - Step 4: Simplify right side
8,330,118.11x = 35,797,355,263,291.88 - Step 5: Solve for x
x = 35,797,355,263,291.88/8,330,118.11 - Step 6: Final answer
x = 4,297,340.66
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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.