Finding the Fourth Proportional to 21,367,153.14, 32,082,747.42 and 18,497,371.74
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Solution
The fourth proportional to 21,367,153.14, 32,082,747.42 and 18,497,371.74 is: 27,773,775.08
Step by Step Solution
- Step 1: Write the proportion equation
21,367,153.14 : 32,082,747.42 = 18,497,371.74 : x - Step 2: Convert to fraction form
21,367,153.14/32,082,747.42 = 18,497,371.74/x - Step 3: Cross multiply
21,367,153.14x = 32,082,747.42 × 18,497,371.74 - Step 4: Simplify right side
21,367,153.14x = 593,446,505,468,265.88 - Step 5: Solve for x
x = 593,446,505,468,265.88/21,367,153.14 - Step 6: Final answer
x = 27,773,775.08
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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.