Finding the Fourth Proportional to 8,330,247.87, 11,495,657.07 and 4,659,155.68
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Solution
The fourth proportional to 8,330,247.87, 11,495,657.07 and 4,659,155.68 is: 6,429,587.30
Step by Step Solution
- Step 1: Write the proportion equation
8,330,247.87 : 11,495,657.07 = 4,659,155.68 : x - Step 2: Convert to fraction form
8,330,247.87/11,495,657.07 = 4,659,155.68/x - Step 3: Cross multiply
8,330,247.87x = 11,495,657.07 × 4,659,155.68 - Step 4: Simplify right side
8,330,247.87x = 53,560,055,933,022.66 - Step 5: Solve for x
x = 53,560,055,933,022.66/8,330,247.87 - Step 6: Final answer
x = 6,429,587.30
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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.