Finding the Fourth Proportional to 11,491,677.66, 15,858,563.21 and 6,334,926.06
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Solution
The fourth proportional to 11,491,677.66, 15,858,563.21 and 6,334,926.06 is: 8,742,224.44
Step by Step Solution
- Step 1: Write the proportion equation
11,491,677.66 : 15,858,563.21 = 6,334,926.06 : x - Step 2: Convert to fraction form
11,491,677.66/15,858,563.21 = 6,334,926.06/x - Step 3: Cross multiply
11,491,677.66x = 15,858,563.21 × 6,334,926.06 - Step 4: Simplify right side
11,491,677.66x = 100,462,825,353,186.25 - Step 5: Solve for x
x = 100,462,825,353,186.25/11,491,677.66 - Step 6: Final answer
x = 8,742,224.44
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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.