Finding the Fourth Proportional to 11,702,991.30, 17,554,486.95 and 11,535,029.70
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Solution
The fourth proportional to 11,702,991.30, 17,554,486.95 and 11,535,029.70 is: 17,302,544.55
Step by Step Solution
- Step 1: Write the proportion equation
11,702,991.30 : 17,554,486.95 = 11,535,029.70 : x - Step 2: Convert to fraction form
11,702,991.30/17,554,486.95 = 11,535,029.70/x - Step 3: Cross multiply
11,702,991.30x = 17,554,486.95 × 11,535,029.70 - Step 4: Simplify right side
11,702,991.30x = 202,491,528,336,512.41 - Step 5: Solve for x
x = 202,491,528,336,512.41/11,702,991.30 - Step 6: Final answer
x = 17,302,544.55
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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.