Finding the Fourth Proportional to 21,375,318.88, 32,056,135.44 and 6,994,488.16
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Solution
The fourth proportional to 21,375,318.88, 32,056,135.44 and 6,994,488.16 is: 10,489,493.09
Step by Step Solution
- Step 1: Write the proportion equation
21,375,318.88 : 32,056,135.44 = 6,994,488.16 : x - Step 2: Convert to fraction form
21,375,318.88/32,056,135.44 = 6,994,488.16/x - Step 3: Cross multiply
21,375,318.88x = 32,056,135.44 × 6,994,488.16 - Step 4: Simplify right side
21,375,318.88x = 224,216,259,790,436.41 - Step 5: Solve for x
x = 224,216,259,790,436.41/21,375,318.88 - Step 6: Final answer
x = 10,489,493.09
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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.