Finding the Fourth Proportional to 51,785,542.32, 71,463,034.40 and 28,264,247.97
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Solution
The fourth proportional to 51,785,542.32, 71,463,034.40 and 28,264,247.97 is: 39,004,108.76
Step by Step Solution
- Step 1: Write the proportion equation
51,785,542.32 : 71,463,034.40 = 28,264,247.97 : x - Step 2: Convert to fraction form
51,785,542.32/71,463,034.40 = 28,264,247.97/x - Step 3: Cross multiply
51,785,542.32x = 71,463,034.40 × 28,264,247.97 - Step 4: Simplify right side
51,785,542.32x = 2,019,848,924,970,240.25 - Step 5: Solve for x
x = 2,019,848,924,970,240.25/51,785,542.32 - Step 6: Final answer
x = 39,004,108.76
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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.