Finding the Fourth Proportional to 8,777,218.44, 12,107,683.86 and 5,105,721.96
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Solution
The fourth proportional to 8,777,218.44, 12,107,683.86 and 5,105,721.96 is: 7,043,059.00
Step by Step Solution
- Step 1: Write the proportion equation
8,777,218.44 : 12,107,683.86 = 5,105,721.96 : x - Step 2: Convert to fraction form
8,777,218.44/12,107,683.86 = 5,105,721.96/x - Step 3: Cross multiply
8,777,218.44x = 12,107,683.86 × 5,105,721.96 - Step 4: Simplify right side
8,777,218.44x = 61,818,467,368,739.56 - Step 5: Solve for x
x = 61,818,467,368,739.56/8,777,218.44 - Step 6: Final answer
x = 7,043,059.00
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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.