Finding the Fourth Proportional to 18,213,575.28, 27,317,369.69 and 6,539,530.06
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Solution
The fourth proportional to 18,213,575.28, 27,317,369.69 and 6,539,530.06 is: 9,808,220.38
Step by Step Solution
- Step 1: Write the proportion equation
18,213,575.28 : 27,317,369.69 = 6,539,530.06 : x - Step 2: Convert to fraction form
18,213,575.28/27,317,369.69 = 6,539,530.06/x - Step 3: Cross multiply
18,213,575.28x = 27,317,369.69 × 6,539,530.06 - Step 4: Simplify right side
18,213,575.28x = 178,642,760,273,860.19 - Step 5: Solve for x
x = 178,642,760,273,860.19/18,213,575.28 - Step 6: Final answer
x = 9,808,220.38
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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.