Finding the Fourth Proportional to 20,097,858.63, 27,735,058.58 and 11,276,092.09
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Solution
The fourth proportional to 20,097,858.63, 27,735,058.58 and 11,276,092.09 is: 15,561,014.75
Step by Step Solution
- Step 1: Write the proportion equation
20,097,858.63 : 27,735,058.58 = 11,276,092.09 : x - Step 2: Convert to fraction form
20,097,858.63/27,735,058.58 = 11,276,092.09/x - Step 3: Cross multiply
20,097,858.63x = 27,735,058.58 × 11,276,092.09 - Step 4: Simplify right side
20,097,858.63x = 312,743,074,669,624.62 - Step 5: Solve for x
x = 312,743,074,669,624.62/20,097,858.63 - Step 6: Final answer
x = 15,561,014.75
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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.