Finding the Fourth Proportional to 17,378,306.62, 23,983,184.14 and 9,643,348.94
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Solution
The fourth proportional to 17,378,306.62, 23,983,184.14 and 9,643,348.94 is: 13,308,443.59
Step by Step Solution
- Step 1: Write the proportion equation
17,378,306.62 : 23,983,184.14 = 9,643,348.94 : x - Step 2: Convert to fraction form
17,378,306.62/23,983,184.14 = 9,643,348.94/x - Step 3: Cross multiply
17,378,306.62x = 23,983,184.14 × 9,643,348.94 - Step 4: Simplify right side
17,378,306.62x = 231,278,213,354,293.81 - Step 5: Solve for x
x = 231,278,213,354,293.81/17,378,306.62 - Step 6: Final answer
x = 13,308,443.59
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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.