Finding the Fourth Proportional to 8,613,242.46, 11,883,724.70 and 5,125,785.44
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Solution
The fourth proportional to 8,613,242.46, 11,883,724.70 and 5,125,785.44 is: 7,072,066.44
Step by Step Solution
- Step 1: Write the proportion equation
8,613,242.46 : 11,883,724.70 = 5,125,785.44 : x - Step 2: Convert to fraction form
8,613,242.46/11,883,724.70 = 5,125,785.44/x - Step 3: Cross multiply
8,613,242.46x = 11,883,724.70 × 5,125,785.44 - Step 4: Simplify right side
8,613,242.46x = 60,913,422,955,180.81 - Step 5: Solve for x
x = 60,913,422,955,180.81/8,613,242.46 - Step 6: Final answer
x = 7,072,066.44
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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.