Finding the Fourth Proportional to 18,537,409.80, 27,806,114.70 and 18,537,409.80
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Solution
The fourth proportional to 18,537,409.80, 27,806,114.70 and 18,537,409.80 is: 27,806,114.70
Step by Step Solution
- Step 1: Write the proportion equation
18,537,409.80 : 27,806,114.70 = 18,537,409.80 : x - Step 2: Convert to fraction form
18,537,409.80/27,806,114.70 = 18,537,409.80/x - Step 3: Cross multiply
18,537,409.80x = 27,806,114.70 × 18,537,409.80 - Step 4: Simplify right side
18,537,409.80x = 515,453,343,139,704.06 - Step 5: Solve for x
x = 515,453,343,139,704.06/18,537,409.80 - Step 6: Final answer
x = 27,806,114.70
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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.