Finding the Fourth Proportional to 11,074,831.20, 16,612,246.80 and 8,835,343.20
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Solution
The fourth proportional to 11,074,831.20, 16,612,246.80 and 8,835,343.20 is: 13,253,014.80
Step by Step Solution
- Step 1: Write the proportion equation
11,074,831.20 : 16,612,246.80 = 8,835,343.20 : x - Step 2: Convert to fraction form
11,074,831.20/16,612,246.80 = 8,835,343.20/x - Step 3: Cross multiply
11,074,831.20x = 16,612,246.80 × 8,835,343.20 - Step 4: Simplify right side
11,074,831.20x = 146,774,901,801,101.75 - Step 5: Solve for x
x = 146,774,901,801,101.75/11,074,831.20 - Step 6: Final answer
x = 13,253,014.80
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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.