Finding the Fourth Proportional to 7,793,651.70, 11,689,378.58 and 2,676,000.62
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Solution
The fourth proportional to 7,793,651.70, 11,689,378.58 and 2,676,000.62 is: 4,013,623.59
Step by Step Solution
- Step 1: Write the proportion equation
7,793,651.70 : 11,689,378.58 = 2,676,000.62 : x - Step 2: Convert to fraction form
7,793,651.70/11,689,378.58 = 2,676,000.62/x - Step 3: Cross multiply
7,793,651.70x = 11,689,378.58 × 2,676,000.62 - Step 4: Simplify right side
7,793,651.70x = 31,280,784,327,494.72 - Step 5: Solve for x
x = 31,280,784,327,494.72/7,793,651.70 - Step 6: Final answer
x = 4,013,623.59
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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.