Finding the Fourth Proportional to 31,969,833.05, 47,954,749.58 and 11,772,450.65
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Solution
The fourth proportional to 31,969,833.05, 47,954,749.58 and 11,772,450.65 is: 17,658,675.98
Step by Step Solution
- Step 1: Write the proportion equation
31,969,833.05 : 47,954,749.58 = 11,772,450.65 : x - Step 2: Convert to fraction form
31,969,833.05/47,954,749.58 = 11,772,450.65/x - Step 3: Cross multiply
31,969,833.05x = 47,954,749.58 × 11,772,450.65 - Step 4: Simplify right side
31,969,833.05x = 564,544,922,804,796 - Step 5: Solve for x
x = 564,544,922,804,796/31,969,833.05 - Step 6: Final answer
x = 17,658,675.98
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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.