Finding the Fourth Proportional to 10,787,827.36, 14,887,654.38 and 6,204,152.44
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Solution
The fourth proportional to 10,787,827.36, 14,887,654.38 and 6,204,152.44 is: 8,561,990.67
Step by Step Solution
- Step 1: Write the proportion equation
10,787,827.36 : 14,887,654.38 = 6,204,152.44 : x - Step 2: Convert to fraction form
10,787,827.36/14,887,654.38 = 6,204,152.44/x - Step 3: Cross multiply
10,787,827.36x = 14,887,654.38 × 6,204,152.44 - Step 4: Simplify right side
10,787,827.36x = 92,365,277,247,553.70 - Step 5: Solve for x
x = 92,365,277,247,553.70/10,787,827.36 - Step 6: Final answer
x = 8,561,990.67
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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.