Finding the Fourth Proportional to 24,256,830.30, 36,385,245.45 and 12,128,165.70
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Solution
The fourth proportional to 24,256,830.30, 36,385,245.45 and 12,128,165.70 is: 18,192,248.55
Step by Step Solution
- Step 1: Write the proportion equation
24,256,830.30 : 36,385,245.45 = 12,128,165.70 : x - Step 2: Convert to fraction form
24,256,830.30/36,385,245.45 = 12,128,165.70/x - Step 3: Cross multiply
24,256,830.30x = 36,385,245.45 × 12,128,165.70 - Step 4: Simplify right side
24,256,830.30x = 441,286,285,852,771.06 - Step 5: Solve for x
x = 441,286,285,852,771.06/24,256,830.30 - Step 6: Final answer
x = 18,192,248.55
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1.5x scale
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.