Finding the Fourth Proportional to 11,647,985.28, 16,074,273.44 and 6,756,103.68
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Solution
The fourth proportional to 11,647,985.28, 16,074,273.44 and 6,756,103.68 is: 9,323,454.26
Step by Step Solution
- Step 1: Write the proportion equation
11,647,985.28 : 16,074,273.44 = 6,756,103.68 : x - Step 2: Convert to fraction form
11,647,985.28/16,074,273.44 = 6,756,103.68/x - Step 3: Cross multiply
11,647,985.28x = 16,074,273.44 × 6,756,103.68 - Step 4: Simplify right side
11,647,985.28x = 108,599,457,941,310.25 - Step 5: Solve for x
x = 108,599,457,941,310.25/11,647,985.28 - Step 6: Final answer
x = 9,323,454.26
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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.