Finding the Fourth Proportional to 21,654,916.09, 32,486,470.84 and 8,702,075.08
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Solution
The fourth proportional to 21,654,916.09, 32,486,470.84 and 8,702,075.08 is: 13,054,758.88
Step by Step Solution
- Step 1: Write the proportion equation
21,654,916.09 : 32,486,470.84 = 8,702,075.08 : x - Step 2: Convert to fraction form
21,654,916.09/32,486,470.84 = 8,702,075.08/x - Step 3: Cross multiply
21,654,916.09x = 32,486,470.84 × 8,702,075.08 - Step 4: Simplify right side
21,654,916.09x = 282,699,708,202,659.94 - Step 5: Solve for x
x = 282,699,708,202,659.94/21,654,916.09 - Step 6: Final answer
x = 13,054,758.88
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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.