Finding the Fourth Proportional to 27,011,217.24, 37,279,029.60 and 15,406,120.44
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Solution
The fourth proportional to 27,011,217.24, 37,279,029.60 and 15,406,120.44 is: 21,262,470.88
Step by Step Solution
- Step 1: Write the proportion equation
27,011,217.24 : 37,279,029.60 = 15,406,120.44 : x - Step 2: Convert to fraction form
27,011,217.24/37,279,029.60 = 15,406,120.44/x - Step 3: Cross multiply
27,011,217.24x = 37,279,029.60 × 15,406,120.44 - Step 4: Simplify right side
27,011,217.24x = 574,325,219,903,925 - Step 5: Solve for x
x = 574,325,219,903,925/27,011,217.24 - Step 6: Final answer
x = 21,262,470.88
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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.