Finding the Fourth Proportional to 10,702,891.68, 14,770,319.13 and 6,291,808.37
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Solution
The fourth proportional to 10,702,891.68, 14,770,319.13 and 6,291,808.37 is: 8,682,888.72
Step by Step Solution
- Step 1: Write the proportion equation
10,702,891.68 : 14,770,319.13 = 6,291,808.37 : x - Step 2: Convert to fraction form
10,702,891.68/14,770,319.13 = 6,291,808.37/x - Step 3: Cross multiply
10,702,891.68x = 14,770,319.13 × 6,291,808.37 - Step 4: Simplify right side
10,702,891.68x = 92,932,017,455,853.53 - Step 5: Solve for x
x = 92,932,017,455,853.53/10,702,891.68 - Step 6: Final answer
x = 8,682,888.72
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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.