Finding the Fourth Proportional to 11,108,660.02, 15,331,105.36 and 6,399,217.96
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Solution
The fourth proportional to 11,108,660.02, 15,331,105.36 and 6,399,217.96 is: 8,831,585.86
Step by Step Solution
- Step 1: Write the proportion equation
11,108,660.02 : 15,331,105.36 = 6,399,217.96 : x - Step 2: Convert to fraction form
11,108,660.02/15,331,105.36 = 6,399,217.96/x - Step 3: Cross multiply
11,108,660.02x = 15,331,105.36 × 6,399,217.96 - Step 4: Simplify right side
11,108,660.02x = 98,107,084,766,364.27 - Step 5: Solve for x
x = 98,107,084,766,364.27/11,108,660.02 - Step 6: Final answer
x = 8,831,585.86
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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.