Finding the Fourth Proportional to 9,192,265.40, 13,763,514.90 and 7,201,609.40
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Solution
The fourth proportional to 9,192,265.40, 13,763,514.90 and 7,201,609.40 is: 10,782,919.55
Step by Step Solution
- Step 1: Write the proportion equation
9,192,265.40 : 13,763,514.90 = 7,201,609.40 : x - Step 2: Convert to fraction form
9,192,265.40/13,763,514.90 = 7,201,609.40/x - Step 3: Cross multiply
9,192,265.40x = 13,763,514.90 × 7,201,609.40 - Step 4: Simplify right side
9,192,265.40x = 99,119,458,280,880.06 - Step 5: Solve for x
x = 99,119,458,280,880.06/9,192,265.40 - Step 6: Final answer
x = 10,782,919.55
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1.5x scale
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.