Finding the Fourth Proportional to 8,793,634.51, 13,191,703.80 and 2,728,890.28
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Solution
The fourth proportional to 8,793,634.51, 13,191,703.80 and 2,728,890.28 is: 4,093,723.96
Step by Step Solution
- Step 1: Write the proportion equation
8,793,634.51 : 13,191,703.80 = 2,728,890.28 : x - Step 2: Convert to fraction form
8,793,634.51/13,191,703.80 = 2,728,890.28/x - Step 3: Cross multiply
8,793,634.51x = 13,191,703.80 × 2,728,890.28 - Step 4: Simplify right side
8,793,634.51x = 35,998,712,276,459.06 - Step 5: Solve for x
x = 35,998,712,276,459.06/8,793,634.51 - Step 6: Final answer
x = 4,093,723.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.