Finding the Fourth Proportional to 27,974,308.38, 38,594,305.11 and 16,953,107.42
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Solution
The fourth proportional to 27,974,308.38, 38,594,305.11 and 16,953,107.42 is: 23,389,082.28
Step by Step Solution
- Step 1: Write the proportion equation
27,974,308.38 : 38,594,305.11 = 16,953,107.42 : x - Step 2: Convert to fraction form
27,974,308.38/38,594,305.11 = 16,953,107.42/x - Step 3: Cross multiply
27,974,308.38x = 38,594,305.11 × 16,953,107.42 - Step 4: Simplify right side
27,974,308.38x = 654,293,400,330,085 - Step 5: Solve for x
x = 654,293,400,330,085/27,974,308.38 - Step 6: Final answer
x = 23,389,082.28
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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.