Finding the Fourth Proportional to 21,433,075.40, 32,149,613.10 and 6,288,537.80
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Solution
The fourth proportional to 21,433,075.40, 32,149,613.10 and 6,288,537.80 is: 9,432,806.70
Step by Step Solution
- Step 1: Write the proportion equation
21,433,075.40 : 32,149,613.10 = 6,288,537.80 : x - Step 2: Convert to fraction form
21,433,075.40/32,149,613.10 = 6,288,537.80/x - Step 3: Cross multiply
21,433,075.40x = 32,149,613.10 × 6,288,537.80 - Step 4: Simplify right side
21,433,075.40x = 202,174,057,234,725.19 - Step 5: Solve for x
x = 202,174,057,234,725.19/21,433,075.40 - Step 6: Final answer
x = 9,432,806.70
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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.