Finding the Fourth Proportional to 8,104,755.78, 11,185,170.26 and 4,620,177.63
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Solution
The fourth proportional to 8,104,755.78, 11,185,170.26 and 4,620,177.63 is: 6,376,191.31
Step by Step Solution
- Step 1: Write the proportion equation
8,104,755.78 : 11,185,170.26 = 4,620,177.63 : x - Step 2: Convert to fraction form
8,104,755.78/11,185,170.26 = 4,620,177.63/x - Step 3: Cross multiply
8,104,755.78x = 11,185,170.26 × 4,620,177.63 - Step 4: Simplify right side
8,104,755.78x = 51,677,473,399,892.40 - Step 5: Solve for x
x = 51,677,473,399,892.40/8,104,755.78 - Step 6: Final answer
x = 6,376,191.31
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1.5x scale
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.