Finding the Fourth Proportional to 11,395,687.80, 17,093,531.70 and 3,417,511.80
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Solution
The fourth proportional to 11,395,687.80, 17,093,531.70 and 3,417,511.80 is: 5,126,267.70
Step by Step Solution
- Step 1: Write the proportion equation
11,395,687.80 : 17,093,531.70 = 3,417,511.80 : x - Step 2: Convert to fraction form
11,395,687.80/17,093,531.70 = 3,417,511.80/x - Step 3: Cross multiply
11,395,687.80x = 17,093,531.70 × 3,417,511.80 - Step 4: Simplify right side
11,395,687.80x = 58,417,346,288,424.05 - Step 5: Solve for x
x = 58,417,346,288,424.05/11,395,687.80 - Step 6: Final answer
x = 5,126,267.70
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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.