Finding the Fourth Proportional to 7,110,368.92, 9,812,239.26 and 3,847,112.05
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Solution
The fourth proportional to 7,110,368.92, 9,812,239.26 and 3,847,112.05 is: 5,308,976.83
Step by Step Solution
- Step 1: Write the proportion equation
7,110,368.92 : 9,812,239.26 = 3,847,112.05 : x - Step 2: Convert to fraction form
7,110,368.92/9,812,239.26 = 3,847,112.05/x - Step 3: Cross multiply
7,110,368.92x = 9,812,239.26 × 3,847,112.05 - Step 4: Simplify right side
7,110,368.92x = 37,748,783,875,062.09 - Step 5: Solve for x
x = 37,748,783,875,062.09/7,110,368.92 - Step 6: Final answer
x = 5,308,976.83
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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.