Finding the Fourth Proportional to 27,121,670.76, 37,428,206.74 and 15,960,630.62
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Solution
The fourth proportional to 27,121,670.76, 37,428,206.74 and 15,960,630.62 is: 22,025,847.44
Step by Step Solution
- Step 1: Write the proportion equation
27,121,670.76 : 37,428,206.74 = 15,960,630.62 : x - Step 2: Convert to fraction form
27,121,670.76/37,428,206.74 = 15,960,630.62/x - Step 3: Cross multiply
27,121,670.76x = 37,428,206.74 × 15,960,630.62 - Step 4: Simplify right side
27,121,670.76x = 597,377,782,546,134.38 - Step 5: Solve for x
x = 597,377,782,546,134.38/27,121,670.76 - Step 6: Final answer
x = 22,025,847.44
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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.