Finding the Fourth Proportional to 14,497,660.99, 20,006,234.11 and 7,970,902.12
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Solution
The fourth proportional to 14,497,660.99, 20,006,234.11 and 7,970,902.12 is: 10,999,549.10
Step by Step Solution
- Step 1: Write the proportion equation
14,497,660.99 : 20,006,234.11 = 7,970,902.12 : x - Step 2: Convert to fraction form
14,497,660.99/20,006,234.11 = 7,970,902.12/x - Step 3: Cross multiply
14,497,660.99x = 20,006,234.11 × 7,970,902.12 - Step 4: Simplify right side
14,497,660.99x = 159,467,733,880,615.31 - Step 5: Solve for x
x = 159,467,733,880,615.31/14,497,660.99 - Step 6: Final answer
x = 10,999,549.10
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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.