Finding the Fourth Proportional to 11,491,634.99, 15,858,632.22 and 6,264,646.20
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Solution
The fourth proportional to 11,491,634.99, 15,858,632.22 and 6,264,646.20 is: 8,645,307.67
Step by Step Solution
- Step 1: Write the proportion equation
11,491,634.99 : 15,858,632.22 = 6,264,646.20 : x - Step 2: Convert to fraction form
11,491,634.99/15,858,632.22 = 6,264,646.20/x - Step 3: Cross multiply
11,491,634.99x = 15,858,632.22 × 6,264,646.20 - Step 4: Simplify right side
11,491,634.99x = 99,348,720,074,220.58 - Step 5: Solve for x
x = 99,348,720,074,220.58/11,491,634.99 - Step 6: Final answer
x = 8,645,307.67
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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.