Finding the Fourth Proportional to 21,584,097.38, 29,787,752.68 and 12,292,060.70
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Solution
The fourth proportional to 21,584,097.38, 29,787,752.68 and 12,292,060.70 is: 16,964,010.94
Step by Step Solution
- Step 1: Write the proportion equation
21,584,097.38 : 29,787,752.68 = 12,292,060.70 : x - Step 2: Convert to fraction form
21,584,097.38/29,787,752.68 = 12,292,060.70/x - Step 3: Cross multiply
21,584,097.38x = 29,787,752.68 × 12,292,060.70 - Step 4: Simplify right side
21,584,097.38x = 366,152,864,059,147.62 - Step 5: Solve for x
x = 366,152,864,059,147.62/21,584,097.38 - Step 6: Final answer
x = 16,964,010.94
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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.