Finding the Fourth Proportional to 9,380,687.12, 14,070,882.84 and 2,990,896.42
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Solution
The fourth proportional to 9,380,687.12, 14,070,882.84 and 2,990,896.42 is: 4,486,297.49
Step by Step Solution
- Step 1: Write the proportion equation
9,380,687.12 : 14,070,882.84 = 2,990,896.42 : x - Step 2: Convert to fraction form
9,380,687.12/14,070,882.84 = 2,990,896.42/x - Step 3: Cross multiply
9,380,687.12x = 14,070,882.84 × 2,990,896.42 - Step 4: Simplify right side
9,380,687.12x = 42,084,553,112,395.43 - Step 5: Solve for x
x = 42,084,553,112,395.43/9,380,687.12 - Step 6: Final answer
x = 4,486,297.49
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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.