Finding the Fourth Proportional to 12,256,366.70, 18,351,372.45 and 9,602,158.70
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Solution
The fourth proportional to 12,256,366.70, 18,351,372.45 and 9,602,158.70 is: 14,377,245.31
Step by Step Solution
- Step 1: Write the proportion equation
12,256,366.70 : 18,351,372.45 = 9,602,158.70 : x - Step 2: Convert to fraction form
12,256,366.70/18,351,372.45 = 9,602,158.70/x - Step 3: Cross multiply
12,256,366.70x = 18,351,372.45 × 9,602,158.70 - Step 4: Simplify right side
12,256,366.70x = 176,212,790,627,707.78 - Step 5: Solve for x
x = 176,212,790,627,707.78/12,256,366.70 - Step 6: Final answer
x = 14,377,245.31
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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.