Finding the Fourth Proportional to 11,626,831.20, 17,440,246.80 and 3,539,742.60
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Solution
The fourth proportional to 11,626,831.20, 17,440,246.80 and 3,539,742.60 is: 5,309,613.90
Step by Step Solution
- Step 1: Write the proportion equation
11,626,831.20 : 17,440,246.80 = 3,539,742.60 : x - Step 2: Convert to fraction form
11,626,831.20/17,440,246.80 = 3,539,742.60/x - Step 3: Cross multiply
11,626,831.20x = 17,440,246.80 × 3,539,742.60 - Step 4: Simplify right side
11,626,831.20x = 61,733,984,552,473.69 - Step 5: Solve for x
x = 61,733,984,552,473.69/11,626,831.20 - Step 6: Final answer
x = 5,309,613.90
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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.