Finding the Fourth Proportional to 31,057,749.80, 46,551,632.70 and 14,891,445.80
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Solution
The fourth proportional to 31,057,749.80, 46,551,632.70 and 14,891,445.80 is: 22,320,390.88
Step by Step Solution
- Step 1: Write the proportion equation
31,057,749.80 : 46,551,632.70 = 14,891,445.80 : x - Step 2: Convert to fraction form
31,057,749.80/46,551,632.70 = 14,891,445.80/x - Step 3: Cross multiply
31,057,749.80x = 46,551,632.70 × 14,891,445.80 - Step 4: Simplify right side
31,057,749.80x = 693,221,115,253,557.75 - Step 5: Solve for x
x = 693,221,115,253,557.75/31,057,749.80 - Step 6: Final answer
x = 22,320,390.88
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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.