Finding the Fourth Proportional to 7,175,114.75, 9,901,655.51 and 3,911,932.14
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Solution
The fourth proportional to 7,175,114.75, 9,901,655.51 and 3,911,932.14 is: 5,398,464.80
Step by Step Solution
- Step 1: Write the proportion equation
7,175,114.75 : 9,901,655.51 = 3,911,932.14 : x - Step 2: Convert to fraction form
7,175,114.75/9,901,655.51 = 3,911,932.14/x - Step 3: Cross multiply
7,175,114.75x = 9,901,655.51 × 3,911,932.14 - Step 4: Simplify right side
7,175,114.75x = 38,734,604,409,217.44 - Step 5: Solve for x
x = 38,734,604,409,217.44/7,175,114.75 - Step 6: Final answer
x = 5,398,464.80
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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.