Finding the Fourth Proportional to 11,798,649.12, 16,283,687.68 and 6,643,015.36
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Solution
The fourth proportional to 11,798,649.12, 16,283,687.68 and 6,643,015.36 is: 9,168,234.96
Step by Step Solution
- Step 1: Write the proportion equation
11,798,649.12 : 16,283,687.68 = 6,643,015.36 : x - Step 2: Convert to fraction form
11,798,649.12/16,283,687.68 = 6,643,015.36/x - Step 3: Cross multiply
11,798,649.12x = 16,283,687.68 × 6,643,015.36 - Step 4: Simplify right side
11,798,649.12x = 108,172,787,375,682.77 - Step 5: Solve for x
x = 108,172,787,375,682.77/11,798,649.12 - Step 6: Final answer
x = 9,168,234.96
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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.