Finding the Fourth Proportional to 10,835,729.94, 14,951,201.67 and 6,424,640.76
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Solution
The fourth proportional to 10,835,729.94, 14,951,201.67 and 6,424,640.76 is: 8,864,755.78
Step by Step Solution
- Step 1: Write the proportion equation
10,835,729.94 : 14,951,201.67 = 6,424,640.76 : x - Step 2: Convert to fraction form
10,835,729.94/14,951,201.67 = 6,424,640.76/x - Step 3: Cross multiply
10,835,729.94x = 14,951,201.67 × 6,424,640.76 - Step 4: Simplify right side
10,835,729.94x = 96,056,099,660,062.06 - Step 5: Solve for x
x = 96,056,099,660,062.06/10,835,729.94 - Step 6: Final answer
x = 8,864,755.78
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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.