Finding the Fourth Proportional to 36,031,528.73, 49,727,065.91 and 20,563,927.49
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Solution
The fourth proportional to 36,031,528.73, 49,727,065.91 and 20,563,927.49 is: 28,380,249.56
Step by Step Solution
- Step 1: Write the proportion equation
36,031,528.73 : 49,727,065.91 = 20,563,927.49 : x - Step 2: Convert to fraction form
36,031,528.73/49,727,065.91 = 20,563,927.49/x - Step 3: Cross multiply
36,031,528.73x = 49,727,065.91 × 20,563,927.49 - Step 4: Simplify right side
36,031,528.73x = 1,022,583,777,312,235.88 - Step 5: Solve for x
x = 1,022,583,777,312,235.88/36,031,528.73 - Step 6: Final answer
x = 28,380,249.56
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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.