Finding the Fourth Proportional to 7,328,225.20, 10,992,337.80 and 6,584,207.80
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Solution
The fourth proportional to 7,328,225.20, 10,992,337.80 and 6,584,207.80 is: 9,876,311.70
Step by Step Solution
- Step 1: Write the proportion equation
7,328,225.20 : 10,992,337.80 = 6,584,207.80 : x - Step 2: Convert to fraction form
7,328,225.20/10,992,337.80 = 6,584,207.80/x - Step 3: Cross multiply
7,328,225.20x = 10,992,337.80 × 6,584,207.80 - Step 4: Simplify right side
7,328,225.20x = 72,375,836,282,994.84 - Step 5: Solve for x
x = 72,375,836,282,994.84/7,328,225.20 - Step 6: Final answer
x = 9,876,311.70
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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.