Finding the Fourth Proportional to 21,364,296.77, 29,482,689.66 and 11,574,984.26
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Solution
The fourth proportional to 21,364,296.77, 29,482,689.66 and 11,574,984.26 is: 15,973,456.67
Step by Step Solution
- Step 1: Write the proportion equation
21,364,296.77 : 29,482,689.66 = 11,574,984.26 : x - Step 2: Convert to fraction form
21,364,296.77/29,482,689.66 = 11,574,984.26/x - Step 3: Cross multiply
21,364,296.77x = 29,482,689.66 × 11,574,984.26 - Step 4: Simplify right side
21,364,296.77x = 341,261,668,787,265.25 - Step 5: Solve for x
x = 341,261,668,787,265.25/21,364,296.77 - Step 6: Final answer
x = 15,973,456.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.