Finding the Fourth Proportional to 8,633,921.68, 11,914,740.66 and 4,766,360.68
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Solution
The fourth proportional to 8,633,921.68, 11,914,740.66 and 4,766,360.68 is: 6,577,538.40
Step by Step Solution
- Step 1: Write the proportion equation
8,633,921.68 : 11,914,740.66 = 4,766,360.68 : x - Step 2: Convert to fraction form
8,633,921.68/11,914,740.66 = 4,766,360.68/x - Step 3: Cross multiply
8,633,921.68x = 11,914,740.66 × 4,766,360.68 - Step 4: Simplify right side
8,633,921.68x = 56,789,951,394,221.24 - Step 5: Solve for x
x = 56,789,951,394,221.24/8,633,921.68 - Step 6: Final answer
x = 6,577,538.40
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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.