Finding the Fourth Proportional to 36,169,819.20, 54,243,907.20 and 11,904,266.88
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Solution
The fourth proportional to 36,169,819.20, 54,243,907.20 and 11,904,266.88 is: 17,852,838.70
Step by Step Solution
- Step 1: Write the proportion equation
36,169,819.20 : 54,243,907.20 = 11,904,266.88 : x - Step 2: Convert to fraction form
36,169,819.20/54,243,907.20 = 11,904,266.88/x - Step 3: Cross multiply
36,169,819.20x = 54,243,907.20 × 11,904,266.88 - Step 4: Simplify right side
36,169,819.20x = 645,733,947,922,753.62 - Step 5: Solve for x
x = 645,733,947,922,753.62/36,169,819.20 - Step 6: Final answer
x = 17,852,838.70
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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.