Finding the Fourth Proportional to 27,386,588.46, 37,794,672.99 and 15,163,446.54
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Solution
The fourth proportional to 27,386,588.46, 37,794,672.99 and 15,163,446.54 is: 20,926,210.08
Step by Step Solution
- Step 1: Write the proportion equation
27,386,588.46 : 37,794,672.99 = 15,163,446.54 : x - Step 2: Convert to fraction form
27,386,588.46/37,794,672.99 = 15,163,446.54/x - Step 3: Cross multiply
27,386,588.46x = 37,794,672.99 × 15,163,446.54 - Step 4: Simplify right side
27,386,588.46x = 573,097,503,380,647 - Step 5: Solve for x
x = 573,097,503,380,647/27,386,588.46 - Step 6: Final answer
x = 20,926,210.08
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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.