Finding the Fourth Proportional to 14,497,991.74, 20,007,302.97 and 7,972,042.06
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Solution
The fourth proportional to 14,497,991.74, 20,007,302.97 and 7,972,042.06 is: 11,001,458.94
Step by Step Solution
- Step 1: Write the proportion equation
14,497,991.74 : 20,007,302.97 = 7,972,042.06 : x - Step 2: Convert to fraction form
14,497,991.74/20,007,302.97 = 7,972,042.06/x - Step 3: Cross multiply
14,497,991.74x = 20,007,302.97 × 7,972,042.06 - Step 4: Simplify right side
14,497,991.74x = 159,499,060,784,002.91 - Step 5: Solve for x
x = 159,499,060,784,002.91/14,497,991.74 - Step 6: Final answer
x = 11,001,458.94
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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.