Finding the Fourth Proportional to 7,086,437.58, 9,779,173.41 and 3,988,954.24
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Solution
The fourth proportional to 7,086,437.58, 9,779,173.41 and 3,988,954.24 is: 5,504,694.68
Step by Step Solution
- Step 1: Write the proportion equation
7,086,437.58 : 9,779,173.41 = 3,988,954.24 : x - Step 2: Convert to fraction form
7,086,437.58/9,779,173.41 = 3,988,954.24/x - Step 3: Cross multiply
7,086,437.58x = 9,779,173.41 × 3,988,954.24 - Step 4: Simplify right side
7,086,437.58x = 39,008,675,237,514.76 - Step 5: Solve for x
x = 39,008,675,237,514.76/7,086,437.58 - Step 6: Final answer
x = 5,504,694.68
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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.