Finding the Fourth Proportional to 20,211,458.96, 27,891,885.96 and 11,044,101.71
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Solution
The fourth proportional to 20,211,458.96, 27,891,885.96 and 11,044,101.71 is: 15,240,900.02
Step by Step Solution
- Step 1: Write the proportion equation
20,211,458.96 : 27,891,885.96 = 11,044,101.71 : x - Step 2: Convert to fraction form
20,211,458.96/27,891,885.96 = 11,044,101.71/x - Step 3: Cross multiply
20,211,458.96x = 27,891,885.96 × 11,044,101.71 - Step 4: Simplify right side
20,211,458.96x = 308,040,825,286,501.56 - Step 5: Solve for x
x = 308,040,825,286,501.56/20,211,458.96 - Step 6: Final answer
x = 15,240,900.02
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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.