Finding the Fourth Proportional to 7,309,173.50, 10,087,560.85 and 4,170,209.92
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Solution
The fourth proportional to 7,309,173.50, 10,087,560.85 and 4,170,209.92 is: 5,755,403.99
Step by Step Solution
- Step 1: Write the proportion equation
7,309,173.50 : 10,087,560.85 = 4,170,209.92 : x - Step 2: Convert to fraction form
7,309,173.50/10,087,560.85 = 4,170,209.92/x - Step 3: Cross multiply
7,309,173.50x = 10,087,560.85 × 4,170,209.92 - Step 4: Simplify right side
7,309,173.50x = 42,067,246,325,273.63 - Step 5: Solve for x
x = 42,067,246,325,273.63/7,309,173.50 - Step 6: Final answer
x = 5,755,403.99
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1.5x scale
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.