Finding the Fourth Proportional to 8,853,637.28, 12,217,696.92 and 4,933,190.84
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Solution
The fourth proportional to 8,853,637.28, 12,217,696.92 and 4,933,190.84 is: 6,807,623.65
Step by Step Solution
- Step 1: Write the proportion equation
8,853,637.28 : 12,217,696.92 = 4,933,190.84 : x - Step 2: Convert to fraction form
8,853,637.28/12,217,696.92 = 4,933,190.84/x - Step 3: Cross multiply
8,853,637.28x = 12,217,696.92 × 4,933,190.84 - Step 4: Simplify right side
8,853,637.28x = 60,272,230,531,640.21 - Step 5: Solve for x
x = 60,272,230,531,640.21/8,853,637.28 - Step 6: Final answer
x = 6,807,623.65
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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.