Finding the Fourth Proportional to 26,446,947.32, 39,652,310.43 and 13,467,974.42
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Solution
The fourth proportional to 26,446,947.32, 39,652,310.43 and 13,467,974.42 is: 20,192,738.92
Step by Step Solution
- Step 1: Write the proportion equation
26,446,947.32 : 39,652,310.43 = 13,467,974.42 : x - Step 2: Convert to fraction form
26,446,947.32/39,652,310.43 = 13,467,974.42/x - Step 3: Cross multiply
26,446,947.32x = 39,652,310.43 × 13,467,974.42 - Step 4: Simplify right side
26,446,947.32x = 534,036,302,366,877.62 - Step 5: Solve for x
x = 534,036,302,366,877.62/26,446,947.32 - Step 6: Final answer
x = 20,192,738.92
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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.