Finding the Fourth Proportional to 31,911,930.44, 44,335,768.91 and 31,529,292.92
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Solution
The fourth proportional to 31,911,930.44, 44,335,768.91 and 31,529,292.92 is: 43,804,164.32
Step by Step Solution
- Step 1: Write the proportion equation
31,911,930.44 : 44,335,768.91 = 31,529,292.92 : x - Step 2: Convert to fraction form
31,911,930.44/44,335,768.91 = 31,529,292.92/x - Step 3: Cross multiply
31,911,930.44x = 44,335,768.91 × 31,529,292.92 - Step 4: Simplify right side
31,911,930.44x = 1,397,875,444,796,819 - Step 5: Solve for x
x = 1,397,875,444,796,819/31,911,930.44 - Step 6: Final answer
x = 43,804,164.32
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.