Finding the Fourth Proportional to 7,207,878.99, 9,946,779.44 and 3,944,634.42
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Solution
The fourth proportional to 7,207,878.99, 9,946,779.44 and 3,944,634.42 is: 5,443,544.29
Step by Step Solution
- Step 1: Write the proportion equation
7,207,878.99 : 9,946,779.44 = 3,944,634.42 : x - Step 2: Convert to fraction form
7,207,878.99/9,946,779.44 = 3,944,634.42/x - Step 3: Cross multiply
7,207,878.99x = 9,946,779.44 × 3,944,634.42 - Step 4: Simplify right side
7,207,878.99x = 39,236,408,527,449.16 - Step 5: Solve for x
x = 39,236,408,527,449.16/7,207,878.99 - Step 6: Final answer
x = 5,443,544.29
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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.