Finding the Fourth Proportional to 8,070,854.08, 11,137,853.76 and 4,449,311.68
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Solution
The fourth proportional to 8,070,854.08, 11,137,853.76 and 4,449,311.68 is: 6,140,091.54
Step by Step Solution
- Step 1: Write the proportion equation
8,070,854.08 : 11,137,853.76 = 4,449,311.68 : x - Step 2: Convert to fraction form
8,070,854.08/11,137,853.76 = 4,449,311.68/x - Step 3: Cross multiply
8,070,854.08x = 11,137,853.76 × 4,449,311.68 - Step 4: Simplify right side
8,070,854.08x = 49,555,782,824,499.91 - Step 5: Solve for x
x = 49,555,782,824,499.91/8,070,854.08 - Step 6: Final answer
x = 6,140,091.54
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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.