Finding the Fourth Proportional to 20,475,349.62, 30,717,343.49 and 6,641,234.06
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Solution
The fourth proportional to 20,475,349.62, 30,717,343.49 and 6,641,234.06 is: 9,963,251.98
Step by Step Solution
- Step 1: Write the proportion equation
20,475,349.62 : 30,717,343.49 = 6,641,234.06 : x - Step 2: Convert to fraction form
20,475,349.62/30,717,343.49 = 6,641,234.06/x - Step 3: Cross multiply
20,475,349.62x = 30,717,343.49 × 6,641,234.06 - Step 4: Simplify right side
20,475,349.62x = 204,001,067,631,714.38 - Step 5: Solve for x
x = 204,001,067,631,714.38/20,475,349.62 - Step 6: Final answer
x = 9,963,251.98
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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.