Finding the Fourth Proportional to 10,265,853.51, 14,165,394.92 and 5,682,163.95
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Solution
The fourth proportional to 10,265,853.51, 14,165,394.92 and 5,682,163.95 is: 7,840,565.45
Step by Step Solution
- Step 1: Write the proportion equation
10,265,853.51 : 14,165,394.92 = 5,682,163.95 : x - Step 2: Convert to fraction form
10,265,853.51/14,165,394.92 = 5,682,163.95/x - Step 3: Cross multiply
10,265,853.51x = 14,165,394.92 × 5,682,163.95 - Step 4: Simplify right side
10,265,853.51x = 80,490,096,323,526.31 - Step 5: Solve for x
x = 80,490,096,323,526.31/10,265,853.51 - Step 6: Final answer
x = 7,840,565.45
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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.