Finding the Fourth Proportional to 8,219,777.13, 11,343,477.51 and 5,324,207.92
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Solution
The fourth proportional to 8,219,777.13, 11,343,477.51 and 5,324,207.92 is: 7,347,526.80
Step by Step Solution
- Step 1: Write the proportion equation
8,219,777.13 : 11,343,477.51 = 5,324,207.92 : x - Step 2: Convert to fraction form
8,219,777.13/11,343,477.51 = 5,324,207.92/x - Step 3: Cross multiply
8,219,777.13x = 11,343,477.51 × 5,324,207.92 - Step 4: Simplify right side
8,219,777.13x = 60,395,032,770,725.19 - Step 5: Solve for x
x = 60,395,032,770,725.19/8,219,777.13 - Step 6: Final answer
x = 7,347,526.80
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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.