Finding the Fourth Proportional to 14,343,342.14, 19,793,234.46 and 7,816,831.13
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Solution
The fourth proportional to 14,343,342.14, 19,793,234.46 and 7,816,831.13 is: 10,786,912.13
Step by Step Solution
- Step 1: Write the proportion equation
14,343,342.14 : 19,793,234.46 = 7,816,831.13 : x - Step 2: Convert to fraction form
14,343,342.14/19,793,234.46 = 7,816,831.13/x - Step 3: Cross multiply
14,343,342.14x = 19,793,234.46 × 7,816,831.13 - Step 4: Simplify right side
14,343,342.14x = 154,720,371,258,484.34 - Step 5: Solve for x
x = 154,720,371,258,484.34/14,343,342.14 - Step 6: Final answer
x = 10,786,912.13
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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.