Finding the Fourth Proportional to 49,215,108.12, 67,916,526.40 and 27,190,027.95
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Solution
The fourth proportional to 49,215,108.12, 67,916,526.40 and 27,190,027.95 is: 37,522,060.23
Step by Step Solution
- Step 1: Write the proportion equation
49,215,108.12 : 67,916,526.40 = 27,190,027.95 : x - Step 2: Convert to fraction form
49,215,108.12/67,916,526.40 = 27,190,027.95/x - Step 3: Cross multiply
49,215,108.12x = 67,916,526.40 × 27,190,027.95 - Step 4: Simplify right side
49,215,108.12x = 1,846,652,251,082,913 - Step 5: Solve for x
x = 1,846,652,251,082,913/49,215,108.12 - Step 6: Final answer
x = 37,522,060.23
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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.