Finding the Fourth Proportional to 36,321,809.91, 54,431,729.58 and 19,884,837.93
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Solution
The fourth proportional to 36,321,809.91, 54,431,729.58 and 19,884,837.93 is: 29,799,344.35
Step by Step Solution
- Step 1: Write the proportion equation
36,321,809.91 : 54,431,729.58 = 19,884,837.93 : x - Step 2: Convert to fraction form
36,321,809.91/54,431,729.58 = 19,884,837.93/x - Step 3: Cross multiply
36,321,809.91x = 54,431,729.58 × 19,884,837.93 - Step 4: Simplify right side
36,321,809.91x = 1,082,366,120,947,886.88 - Step 5: Solve for x
x = 1,082,366,120,947,886.88/36,321,809.91 - Step 6: Final answer
x = 29,799,344.35
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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.