Finding the Fourth Proportional to 36,977,832.19, 51,030,489.68 and 20,233,576.99
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Solution
The fourth proportional to 36,977,832.19, 51,030,489.68 and 20,233,576.99 is: 27,922,927.89
Step by Step Solution
- Step 1: Write the proportion equation
36,977,832.19 : 51,030,489.68 = 20,233,576.99 : x - Step 2: Convert to fraction form
36,977,832.19/51,030,489.68 = 20,233,576.99/x - Step 3: Cross multiply
36,977,832.19x = 51,030,489.68 × 20,233,576.99 - Step 4: Simplify right side
36,977,832.19x = 1,032,529,341,777,680.38 - Step 5: Solve for x
x = 1,032,529,341,777,680.38/36,977,832.19 - Step 6: Final answer
x = 27,922,927.89
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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.