Finding the Fourth Proportional to 11,067,949.55, 16,567,873.63 and 7,221,489.62
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Solution
The fourth proportional to 11,067,949.55, 16,567,873.63 and 7,221,489.62 is: 10,810,017.42
Step by Step Solution
- Step 1: Write the proportion equation
11,067,949.55 : 16,567,873.63 = 7,221,489.62 : x - Step 2: Convert to fraction form
11,067,949.55/16,567,873.63 = 7,221,489.62/x - Step 3: Cross multiply
11,067,949.55x = 16,567,873.63 × 7,221,489.62 - Step 4: Simplify right side
11,067,949.55x = 119,644,727,467,882.67 - Step 5: Solve for x
x = 119,644,727,467,882.67/11,067,949.55 - Step 6: Final answer
x = 10,810,017.42
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1.5x scale
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.