Finding the Fourth Proportional to 8,190,909.40, 12,286,364.10 and 2,207,277.40
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Solution
The fourth proportional to 8,190,909.40, 12,286,364.10 and 2,207,277.40 is: 3,310,916.10
Step by Step Solution
- Step 1: Write the proportion equation
8,190,909.40 : 12,286,364.10 = 2,207,277.40 : x - Step 2: Convert to fraction form
8,190,909.40/12,286,364.10 = 2,207,277.40/x - Step 3: Cross multiply
8,190,909.40x = 12,286,364.10 × 2,207,277.40 - Step 4: Simplify right side
8,190,909.40x = 27,119,413,806,101.34 - Step 5: Solve for x
x = 27,119,413,806,101.34/8,190,909.40 - Step 6: Final answer
x = 3,310,916.10
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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.