Finding the Fourth Proportional to 8,281,397.07, 12,424,630.84 and 4,240,745.82
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Solution
The fourth proportional to 8,281,397.07, 12,424,630.84 and 4,240,745.82 is: 6,362,416.97
Step by Step Solution
- Step 1: Write the proportion equation
8,281,397.07 : 12,424,630.84 = 4,240,745.82 : x - Step 2: Convert to fraction form
8,281,397.07/12,424,630.84 = 4,240,745.82/x - Step 3: Cross multiply
8,281,397.07x = 12,424,630.84 × 4,240,745.82 - Step 4: Simplify right side
8,281,397.07x = 52,689,701,289,171.23 - Step 5: Solve for x
x = 52,689,701,289,171.23/8,281,397.07 - Step 6: Final answer
x = 6,362,416.97
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.