Finding the Fourth Proportional to 10,509,691.22, 14,503,478.19 and 5,863,437.05
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Solution
The fourth proportional to 10,509,691.22, 14,503,478.19 and 5,863,437.05 is: 8,091,601.32
Step by Step Solution
- Step 1: Write the proportion equation
10,509,691.22 : 14,503,478.19 = 5,863,437.05 : x - Step 2: Convert to fraction form
10,509,691.22/14,503,478.19 = 5,863,437.05/x - Step 3: Cross multiply
10,509,691.22x = 14,503,478.19 × 5,863,437.05 - Step 4: Simplify right side
10,509,691.22x = 85,040,231,300,595.55 - Step 5: Solve for x
x = 85,040,231,300,595.55/10,509,691.22 - Step 6: Final answer
x = 8,091,601.32
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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.