Finding the Fourth Proportional to 16,944,427.36, 23,392,912.09 and 12,963,208.29
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Solution
The fourth proportional to 16,944,427.36, 23,392,912.09 and 12,963,208.29 is: 17,896,573.63
Step by Step Solution
- Step 1: Write the proportion equation
16,944,427.36 : 23,392,912.09 = 12,963,208.29 : x - Step 2: Convert to fraction form
16,944,427.36/23,392,912.09 = 12,963,208.29/x - Step 3: Cross multiply
16,944,427.36x = 23,392,912.09 × 12,963,208.29 - Step 4: Simplify right side
16,944,427.36x = 303,247,191,815,364.69 - Step 5: Solve for x
x = 303,247,191,815,364.69/16,944,427.36 - Step 6: Final answer
x = 17,896,573.63
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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.