Finding the Fourth Proportional to 36,731,149.97, 50,687,467.23 and 19,985,958.42
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Solution
The fourth proportional to 36,731,149.97, 50,687,467.23 and 19,985,958.42 is: 27,579,795.71
Step by Step Solution
- Step 1: Write the proportion equation
36,731,149.97 : 50,687,467.23 = 19,985,958.42 : x - Step 2: Convert to fraction form
36,731,149.97/50,687,467.23 = 19,985,958.42/x - Step 3: Cross multiply
36,731,149.97x = 50,687,467.23 × 19,985,958.42 - Step 4: Simplify right side
36,731,149.97x = 1,013,037,612,373,962.88 - Step 5: Solve for x
x = 1,013,037,612,373,962.88/36,731,149.97 - Step 6: Final answer
x = 27,579,795.71
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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.