Finding the Fourth Proportional to 8,390,286.19, 12,587,322.84 and 2,554,993.95
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Solution
The fourth proportional to 8,390,286.19, 12,587,322.84 and 2,554,993.95 is: 3,833,067.55
Step by Step Solution
- Step 1: Write the proportion equation
8,390,286.19 : 12,587,322.84 = 2,554,993.95 : x - Step 2: Convert to fraction form
8,390,286.19/12,587,322.84 = 2,554,993.95/x - Step 3: Cross multiply
8,390,286.19x = 12,587,322.84 × 2,554,993.95 - Step 4: Simplify right side
8,390,286.19x = 32,160,533,702,896.82 - Step 5: Solve for x
x = 32,160,533,702,896.82/8,390,286.19 - Step 6: Final answer
x = 3,833,067.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.