Finding the Fourth Proportional to 8,731,271.48, 12,049,517.68 and 4,863,791.61
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Solution
The fourth proportional to 8,731,271.48, 12,049,517.68 and 4,863,791.61 is: 6,712,234.66
Step by Step Solution
- Step 1: Write the proportion equation
8,731,271.48 : 12,049,517.68 = 4,863,791.61 : x - Step 2: Convert to fraction form
8,731,271.48/12,049,517.68 = 4,863,791.61/x - Step 3: Cross multiply
8,731,271.48x = 12,049,517.68 × 4,863,791.61 - Step 4: Simplify right side
8,731,271.48x = 58,606,342,984,371.19 - Step 5: Solve for x
x = 58,606,342,984,371.19/8,731,271.48 - Step 6: Final answer
x = 6,712,234.66
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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.