Finding the Fourth Proportional to 35,770,133.97, 49,373,489.46 and 20,889,471.98
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Solution
The fourth proportional to 35,770,133.97, 49,373,489.46 and 20,889,471.98 is: 28,833,722.72
Step by Step Solution
- Step 1: Write the proportion equation
35,770,133.97 : 49,373,489.46 = 20,889,471.98 : x - Step 2: Convert to fraction form
35,770,133.97/49,373,489.46 = 20,889,471.98/x - Step 3: Cross multiply
35,770,133.97x = 49,373,489.46 × 20,889,471.98 - Step 4: Simplify right side
35,770,133.97x = 1,031,386,124,788,519.50 - Step 5: Solve for x
x = 1,031,386,124,788,519.50/35,770,133.97 - Step 6: Final answer
x = 28,833,722.72
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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.