Finding the Fourth Proportional to 27,028,121.91, 37,298,796.42 and 14,638,215.96
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Solution
The fourth proportional to 27,028,121.91, 37,298,796.42 and 14,638,215.96 is: 20,200,731.63
Step by Step Solution
- Step 1: Write the proportion equation
27,028,121.91 : 37,298,796.42 = 14,638,215.96 : x - Step 2: Convert to fraction form
27,028,121.91/37,298,796.42 = 14,638,215.96/x - Step 3: Cross multiply
27,028,121.91x = 37,298,796.42 × 14,638,215.96 - Step 4: Simplify right side
27,028,121.91x = 545,987,837,044,034.94 - Step 5: Solve for x
x = 545,987,837,044,034.94/27,028,121.91 - Step 6: Final answer
x = 20,200,731.63
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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.