Finding the Fourth Proportional to 51,773,822.68, 71,449,391.34 and 28,253,874.96
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Solution
The fourth proportional to 51,773,822.68, 71,449,391.34 and 28,253,874.96 is: 38,991,174.78
Step by Step Solution
- Step 1: Write the proportion equation
51,773,822.68 : 71,449,391.34 = 28,253,874.96 : x - Step 2: Convert to fraction form
51,773,822.68/71,449,391.34 = 28,253,874.96/x - Step 3: Cross multiply
51,773,822.68x = 71,449,391.34 × 28,253,874.96 - Step 4: Simplify right side
51,773,822.68x = 2,018,722,168,888,467 - Step 5: Solve for x
x = 2,018,722,168,888,467/51,773,822.68 - Step 6: Final answer
x = 38,991,174.78
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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.