Finding the Fourth Proportional to 31,473,606.84, 43,437,716.46 and 17,725,258.68
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Solution
The fourth proportional to 31,473,606.84, 43,437,716.46 and 17,725,258.68 is: 24,463,187.99
Step by Step Solution
- Step 1: Write the proportion equation
31,473,606.84 : 43,437,716.46 = 17,725,258.68 : x - Step 2: Convert to fraction form
31,473,606.84/43,437,716.46 = 17,725,258.68/x - Step 3: Cross multiply
31,473,606.84x = 43,437,716.46 × 17,725,258.68 - Step 4: Simplify right side
31,473,606.84x = 769,944,760,721,993.88 - Step 5: Solve for x
x = 769,944,760,721,993.88/31,473,606.84 - Step 6: Final answer
x = 24,463,187.99
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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.