Finding the Fourth Proportional to 10,206,122.79, 15,312,174.90 and 3,017,843.80
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Solution
The fourth proportional to 10,206,122.79, 15,312,174.90 and 3,017,843.80 is: 4,527,650.02
Step by Step Solution
- Step 1: Write the proportion equation
10,206,122.79 : 15,312,174.90 = 3,017,843.80 : x - Step 2: Convert to fraction form
10,206,122.79/15,312,174.90 = 3,017,843.80/x - Step 3: Cross multiply
10,206,122.79x = 15,312,174.90 × 3,017,843.80 - Step 4: Simplify right side
10,206,122.79x = 46,209,752,086,480.62 - Step 5: Solve for x
x = 46,209,752,086,480.62/10,206,122.79 - Step 6: Final answer
x = 4,527,650.02
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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.