Finding the Fourth Proportional to 51,635,839.83, 71,259,207.84 and 28,115,288.76
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Solution
The fourth proportional to 51,635,839.83, 71,259,207.84 and 28,115,288.76 is: 38,800,050.74
Step by Step Solution
- Step 1: Write the proportion equation
51,635,839.83 : 71,259,207.84 = 28,115,288.76 : x - Step 2: Convert to fraction form
51,635,839.83/71,259,207.84 = 28,115,288.76/x - Step 3: Cross multiply
51,635,839.83x = 71,259,207.84 × 28,115,288.76 - Step 4: Simplify right side
51,635,839.83x = 2,003,473,205,230,456 - Step 5: Solve for x
x = 2,003,473,205,230,456/51,635,839.83 - Step 6: Final answer
x = 38,800,050.74
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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.