Finding the Fourth Proportional to 9,908,074.09, 14,861,979.51 and 2,719,609.21
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Solution
The fourth proportional to 9,908,074.09, 14,861,979.51 and 2,719,609.21 is: 4,079,377.69
Step by Step Solution
- Step 1: Write the proportion equation
9,908,074.09 : 14,861,979.51 = 2,719,609.21 : x - Step 2: Convert to fraction form
9,908,074.09/14,861,979.51 = 2,719,609.21/x - Step 3: Cross multiply
9,908,074.09x = 14,861,979.51 × 2,719,609.21 - Step 4: Simplify right side
9,908,074.09x = 40,418,776,354,227.29 - Step 5: Solve for x
x = 40,418,776,354,227.29/9,908,074.09 - Step 6: Final answer
x = 4,079,377.69
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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.