Finding the Fourth Proportional to 8,062,785.60, 11,126,659.44 and 4,391,690.88
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Solution
The fourth proportional to 8,062,785.60, 11,126,659.44 and 4,391,690.88 is: 6,060,541.75
Step by Step Solution
- Step 1: Write the proportion equation
8,062,785.60 : 11,126,659.44 = 4,391,690.88 : x - Step 2: Convert to fraction form
8,062,785.60/11,126,659.44 = 4,391,690.88/x - Step 3: Cross multiply
8,062,785.60x = 11,126,659.44 × 4,391,690.88 - Step 4: Simplify right side
8,062,785.60x = 48,864,848,787,513.91 - Step 5: Solve for x
x = 48,864,848,787,513.91/8,062,785.60 - Step 6: Final answer
x = 6,060,541.75
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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.