Finding the Fourth Proportional to 11,840,520.12, 16,338,170.76 and 6,943,893.54
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Solution
The fourth proportional to 11,840,520.12, 16,338,170.76 and 6,943,893.54 is: 9,581,548.55
Step by Step Solution
- Step 1: Write the proportion equation
11,840,520.12 : 16,338,170.76 = 6,943,893.54 : x - Step 2: Convert to fraction form
11,840,520.12/16,338,170.76 = 6,943,893.54/x - Step 3: Cross multiply
11,840,520.12x = 16,338,170.76 × 6,943,893.54 - Step 4: Simplify right side
11,840,520.12x = 113,450,518,395,780.89 - Step 5: Solve for x
x = 113,450,518,395,780.89/11,840,520.12 - Step 6: Final answer
x = 9,581,548.55
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1.5x scale
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.