Finding the Fourth Proportional to 17,965,552.80, 26,948,329.20 and 7,177,519.20
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Solution
The fourth proportional to 17,965,552.80, 26,948,329.20 and 7,177,519.20 is: 10,766,278.80
Step by Step Solution
- Step 1: Write the proportion equation
17,965,552.80 : 26,948,329.20 = 7,177,519.20 : x - Step 2: Convert to fraction form
17,965,552.80/26,948,329.20 = 7,177,519.20/x - Step 3: Cross multiply
17,965,552.80x = 26,948,329.20 × 7,177,519.20 - Step 4: Simplify right side
17,965,552.80x = 193,422,150,240,920.62 - Step 5: Solve for x
x = 193,422,150,240,920.62/17,965,552.80 - Step 6: Final answer
x = 10,766,278.80
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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.