Finding the Fourth Proportional to 18,286,831.59, 27,430,192.71 and 4,639,951.59
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Solution
The fourth proportional to 18,286,831.59, 27,430,192.71 and 4,639,951.59 is: 6,959,913.51
Step by Step Solution
- Step 1: Write the proportion equation
18,286,831.59 : 27,430,192.71 = 4,639,951.59 : x - Step 2: Convert to fraction form
18,286,831.59/27,430,192.71 = 4,639,951.59/x - Step 3: Cross multiply
18,286,831.59x = 27,430,192.71 × 4,639,951.59 - Step 4: Simplify right side
18,286,831.59x = 127,274,766,278,770.91 - Step 5: Solve for x
x = 127,274,766,278,770.91/18,286,831.59 - Step 6: Final answer
x = 6,959,913.51
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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.