Finding the Fourth Proportional to 24,256,831.30, 36,385,246.95 and 12,128,166.70
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Solution
The fourth proportional to 24,256,831.30, 36,385,246.95 and 12,128,166.70 is: 18,192,250.05
Step by Step Solution
- Step 1: Write the proportion equation
24,256,831.30 : 36,385,246.95 = 12,128,166.70 : x - Step 2: Convert to fraction form
24,256,831.30/36,385,246.95 = 12,128,166.70/x - Step 3: Cross multiply
24,256,831.30x = 36,385,246.95 × 12,128,166.70 - Step 4: Simplify right side
24,256,831.30x = 441,286,340,430,266.56 - Step 5: Solve for x
x = 441,286,340,430,266.56/24,256,831.30 - Step 6: Final answer
x = 18,192,250.05
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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.