Finding the Fourth Proportional to 36,013,819.85, 49,705,351.58 and 21,337,748.99
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Solution
The fourth proportional to 36,013,819.85, 49,705,351.58 and 21,337,748.99 is: 29,449,814.54
Step by Step Solution
- Step 1: Write the proportion equation
36,013,819.85 : 49,705,351.58 = 21,337,748.99 : x - Step 2: Convert to fraction form
36,013,819.85/49,705,351.58 = 21,337,748.99/x - Step 3: Cross multiply
36,013,819.85x = 49,705,351.58 × 21,337,748.99 - Step 4: Simplify right side
36,013,819.85x = 1,060,600,315,473,739.75 - Step 5: Solve for x
x = 1,060,600,315,473,739.75/36,013,819.85 - Step 6: Final answer
x = 29,449,814.54
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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.