Finding the Fourth Proportional to 18,409,535.60, 27,614,302.61 and 17,488,986.30
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Solution
The fourth proportional to 18,409,535.60, 27,614,302.61 and 17,488,986.30 is: 26,233,478.70
Step by Step Solution
- Step 1: Write the proportion equation
18,409,535.60 : 27,614,302.61 = 17,488,986.30 : x - Step 2: Convert to fraction form
18,409,535.60/27,614,302.61 = 17,488,986.30/x - Step 3: Cross multiply
18,409,535.60x = 27,614,302.61 × 17,488,986.30 - Step 4: Simplify right side
18,409,535.60x = 482,946,159,942,899.31 - Step 5: Solve for x
x = 482,946,159,942,899.31/18,409,535.60 - Step 6: Final answer
x = 26,233,478.70
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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.