Finding the Fourth Proportional to 20,050,637.19, 27,669,163.40 and 11,348,622.97
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Solution
The fourth proportional to 20,050,637.19, 27,669,163.40 and 11,348,622.97 is: 15,660,694.49
Step by Step Solution
- Step 1: Write the proportion equation
20,050,637.19 : 27,669,163.40 = 11,348,622.97 : x - Step 2: Convert to fraction form
20,050,637.19/27,669,163.40 = 11,348,622.97/x - Step 3: Cross multiply
20,050,637.19x = 27,669,163.40 × 11,348,622.97 - Step 4: Simplify right side
20,050,637.19x = 314,006,903,321,923.31 - Step 5: Solve for x
x = 314,006,903,321,923.31/20,050,637.19 - Step 6: Final answer
x = 15,660,694.49
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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.