Finding the Fourth Proportional to 38,686,039.08, 53,387,174.10 and 22,165,832.28
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Solution
The fourth proportional to 38,686,039.08, 53,387,174.10 and 22,165,832.28 is: 30,589,100.75
Step by Step Solution
- Step 1: Write the proportion equation
38,686,039.08 : 53,387,174.10 = 22,165,832.28 : x - Step 2: Convert to fraction form
38,686,039.08/53,387,174.10 = 22,165,832.28/x - Step 3: Cross multiply
38,686,039.08x = 53,387,174.10 × 22,165,832.28 - Step 4: Simplify right side
38,686,039.08x = 1,183,371,147,003,760 - Step 5: Solve for x
x = 1,183,371,147,003,760/38,686,039.08 - Step 6: Final answer
x = 30,589,100.75
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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.