Finding the Fourth Proportional to 38,789,390.55, 58,198,273.62 and 18,049,720.01
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Solution
The fourth proportional to 38,789,390.55, 58,198,273.62 and 18,049,720.01 is: 27,081,181.96
Step by Step Solution
- Step 1: Write the proportion equation
38,789,390.55 : 58,198,273.62 = 18,049,720.01 : x - Step 2: Convert to fraction form
38,789,390.55/58,198,273.62 = 18,049,720.01/x - Step 3: Cross multiply
38,789,390.55x = 58,198,273.62 × 18,049,720.01 - Step 4: Simplify right side
38,789,390.55x = 1,050,462,543,615,377.62 - Step 5: Solve for x
x = 1,050,462,543,615,377.62/38,789,390.55 - Step 6: Final answer
x = 27,081,181.96
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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.