Finding the Fourth Proportional to 27,405,229.62, 37,817,771.06 and 15,644,030.68
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Solution
The fourth proportional to 27,405,229.62, 37,817,771.06 and 15,644,030.68 is: 21,587,937.01
Step by Step Solution
- Step 1: Write the proportion equation
27,405,229.62 : 37,817,771.06 = 15,644,030.68 : x - Step 2: Convert to fraction form
27,405,229.62/37,817,771.06 = 15,644,030.68/x - Step 3: Cross multiply
27,405,229.62x = 37,817,771.06 × 15,644,030.68 - Step 4: Simplify right side
27,405,229.62x = 591,622,370,798,238.38 - Step 5: Solve for x
x = 591,622,370,798,238.38/27,405,229.62 - Step 6: Final answer
x = 21,587,937.01
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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.