Finding the Fourth Proportional to 8,180,831.45, 11,289,582.81 and 4,509,668.99
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Solution
The fourth proportional to 8,180,831.45, 11,289,582.81 and 4,509,668.99 is: 6,223,362.73
Step by Step Solution
- Step 1: Write the proportion equation
8,180,831.45 : 11,289,582.81 = 4,509,668.99 : x - Step 2: Convert to fraction form
8,180,831.45/11,289,582.81 = 4,509,668.99/x - Step 3: Cross multiply
8,180,831.45x = 11,289,582.81 × 4,509,668.99 - Step 4: Simplify right side
8,180,831.45x = 50,912,281,508,294.07 - Step 5: Solve for x
x = 50,912,281,508,294.07/8,180,831.45 - Step 6: Final answer
x = 6,223,362.73
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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.