Finding the Fourth Proportional to 20,226,124.53, 27,914,785.58 and 11,407,387.08
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Solution
The fourth proportional to 20,226,124.53, 27,914,785.58 and 11,407,387.08 is: 15,743,735.97
Step by Step Solution
- Step 1: Write the proportion equation
20,226,124.53 : 27,914,785.58 = 11,407,387.08 : x - Step 2: Convert to fraction form
20,226,124.53/27,914,785.58 = 11,407,387.08/x - Step 3: Cross multiply
20,226,124.53x = 27,914,785.58 × 11,407,387.08 - Step 4: Simplify right side
20,226,124.53x = 318,434,764,309,225.38 - Step 5: Solve for x
x = 318,434,764,309,225.38/20,226,124.53 - Step 6: Final answer
x = 15,743,735.97
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1.5x scale
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.