Finding the Fourth Proportional to 30,972,972.72, 46,456,431.84 and 9,407,761.68
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Solution
The fourth proportional to 30,972,972.72, 46,456,431.84 and 9,407,761.68 is: 14,110,723.02
Step by Step Solution
- Step 1: Write the proportion equation
30,972,972.72 : 46,456,431.84 = 9,407,761.68 : x - Step 2: Convert to fraction form
30,972,972.72/46,456,431.84 = 9,407,761.68/x - Step 3: Cross multiply
30,972,972.72x = 46,456,431.84 × 9,407,761.68 - Step 4: Simplify right side
30,972,972.72x = 437,051,039,253,883.94 - Step 5: Solve for x
x = 437,051,039,253,883.94/30,972,972.72 - Step 6: Final answer
x = 14,110,723.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.