Finding the Fourth Proportional to 36,010,490.46, 49,694,473.14 and 19,490,612.12
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Solution
The fourth proportional to 36,010,490.46, 49,694,473.14 and 19,490,612.12 is: 26,897,042.72
Step by Step Solution
- Step 1: Write the proportion equation
36,010,490.46 : 49,694,473.14 = 19,490,612.12 : x - Step 2: Convert to fraction form
36,010,490.46/49,694,473.14 = 19,490,612.12/x - Step 3: Cross multiply
36,010,490.46x = 49,694,473.14 × 19,490,612.12 - Step 4: Simplify right side
36,010,490.46x = 968,575,700,259,396.25 - Step 5: Solve for x
x = 968,575,700,259,396.25/36,010,490.46 - Step 6: Final answer
x = 26,897,042.72
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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.