Finding the Fourth Proportional to 18,354,717.70, 27,532,076.55 and 15,368,733.70
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Solution
The fourth proportional to 18,354,717.70, 27,532,076.55 and 15,368,733.70 is: 23,053,100.55
Step by Step Solution
- Step 1: Write the proportion equation
18,354,717.70 : 27,532,076.55 = 15,368,733.70 : x - Step 2: Convert to fraction form
18,354,717.70/27,532,076.55 = 15,368,733.70/x - Step 3: Cross multiply
18,354,717.70x = 27,532,076.55 × 15,368,733.70 - Step 4: Simplify right side
18,354,717.70x = 423,133,152,704,964.75 - Step 5: Solve for x
x = 423,133,152,704,964.75/18,354,717.70 - Step 6: Final answer
x = 23,053,100.55
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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.