Finding the Fourth Proportional to 21,960,763.56, 30,288,182.68 and 19,305,934.62
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Solution
The fourth proportional to 21,960,763.56, 30,288,182.68 and 19,305,934.62 is: 26,626,654.99
Step by Step Solution
- Step 1: Write the proportion equation
21,960,763.56 : 30,288,182.68 = 19,305,934.62 : x - Step 2: Convert to fraction form
21,960,763.56/30,288,182.68 = 19,305,934.62/x - Step 3: Cross multiply
21,960,763.56x = 30,288,182.68 × 19,305,934.62 - Step 4: Simplify right side
21,960,763.56x = 584,741,674,578,696.38 - Step 5: Solve for x
x = 584,741,674,578,696.38/21,960,763.56 - Step 6: Final answer
x = 26,626,654.99
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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.