Finding the Fourth Proportional to 31,942,541.84, 44,080,707.80 and 18,192,785.36
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Solution
The fourth proportional to 31,942,541.84, 44,080,707.80 and 18,192,785.36 is: 25,106,043.83
Step by Step Solution
- Step 1: Write the proportion equation
31,942,541.84 : 44,080,707.80 = 18,192,785.36 : x - Step 2: Convert to fraction form
31,942,541.84/44,080,707.80 = 18,192,785.36/x - Step 3: Cross multiply
31,942,541.84x = 44,080,707.80 × 18,192,785.36 - Step 4: Simplify right side
31,942,541.84x = 801,950,855,522,277.75 - Step 5: Solve for x
x = 801,950,855,522,277.75/31,942,541.84 - Step 6: Final answer
x = 25,106,043.83
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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.