Finding the Fourth Proportional to 36,889,754.15, 50,912,349.17 and 21,419,838.74
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Solution
The fourth proportional to 36,889,754.15, 50,912,349.17 and 21,419,838.74 is: 29,561,983.65
Step by Step Solution
- Step 1: Write the proportion equation
36,889,754.15 : 50,912,349.17 = 21,419,838.74 : x - Step 2: Convert to fraction form
36,889,754.15/50,912,349.17 = 21,419,838.74/x - Step 3: Cross multiply
36,889,754.15x = 50,912,349.17 × 21,419,838.74 - Step 4: Simplify right side
36,889,754.15x = 1,090,534,308,734,311.88 - Step 5: Solve for x
x = 1,090,534,308,734,311.88/36,889,754.15 - Step 6: Final answer
x = 29,561,983.65
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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.