Finding the Fourth Proportional to 18,217,739.97, 27,326,174.38 and 5,921,687.86
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Solution
The fourth proportional to 18,217,739.97, 27,326,174.38 and 5,921,687.86 is: 8,882,390.20
Step by Step Solution
- Step 1: Write the proportion equation
18,217,739.97 : 27,326,174.38 = 5,921,687.86 : x - Step 2: Convert to fraction form
18,217,739.97/27,326,174.38 = 5,921,687.86/x - Step 3: Cross multiply
18,217,739.97x = 27,326,174.38 × 5,921,687.86 - Step 4: Simplify right side
18,217,739.97x = 161,817,075,003,169.38 - Step 5: Solve for x
x = 161,817,075,003,169.38/18,217,739.97 - Step 6: Final answer
x = 8,882,390.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.