Finding the Fourth Proportional to 27,526,560.96, 37,989,074.83 and 15,138,837.09
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Solution
The fourth proportional to 27,526,560.96, 37,989,074.83 and 15,138,837.09 is: 20,892,926.51
Step by Step Solution
- Step 1: Write the proportion equation
27,526,560.96 : 37,989,074.83 = 15,138,837.09 : x - Step 2: Convert to fraction form
27,526,560.96/37,989,074.83 = 15,138,837.09/x - Step 3: Cross multiply
27,526,560.96x = 37,989,074.83 × 15,138,837.09 - Step 4: Simplify right side
27,526,560.96x = 575,110,415,051,189.38 - Step 5: Solve for x
x = 575,110,415,051,189.38/27,526,560.96 - Step 6: Final answer
x = 20,892,926.51
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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.