Finding the Fourth Proportional to 18,546,188.10, 27,799,647.75 and 6,238,434.66
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Solution
The fourth proportional to 18,546,188.10, 27,799,647.75 and 6,238,434.66 is: 9,351,047.51
Step by Step Solution
- Step 1: Write the proportion equation
18,546,188.10 : 27,799,647.75 = 6,238,434.66 : x - Step 2: Convert to fraction form
18,546,188.10/27,799,647.75 = 6,238,434.66/x - Step 3: Cross multiply
18,546,188.10x = 27,799,647.75 × 6,238,434.66 - Step 4: Simplify right side
18,546,188.10x = 173,426,286,059,391.03 - Step 5: Solve for x
x = 173,426,286,059,391.03/18,546,188.10 - Step 6: Final answer
x = 9,351,047.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.