Finding the Fourth Proportional to 21,323,286, 29,426,134.68 and 11,533,729.68
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Solution
The fourth proportional to 21,323,286, 29,426,134.68 and 11,533,729.68 is: 15,916,546.96
Step by Step Solution
- Step 1: Write the proportion equation
21,323,286 : 29,426,134.68 = 11,533,729.68 : x - Step 2: Convert to fraction form
21,323,286/29,426,134.68 = 11,533,729.68/x - Step 3: Cross multiply
21,323,286x = 29,426,134.68 × 11,533,729.68 - Step 4: Simplify right side
21,323,286x = 339,393,082,926,393.31 - Step 5: Solve for x
x = 339,393,082,926,393.31/21,323,286 - Step 6: Final answer
x = 15,916,546.96
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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.