Finding the Fourth Proportional to 12,297,874.57, 18,432,135.70 and 5,723,737.07
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Solution
The fourth proportional to 12,297,874.57, 18,432,135.70 and 5,723,737.07 is: 8,578,774.95
Step by Step Solution
- Step 1: Write the proportion equation
12,297,874.57 : 18,432,135.70 = 5,723,737.07 : x - Step 2: Convert to fraction form
12,297,874.57/18,432,135.70 = 5,723,737.07/x - Step 3: Cross multiply
12,297,874.57x = 18,432,135.70 × 5,723,737.07 - Step 4: Simplify right side
12,297,874.57x = 105,500,698,278,890.39 - Step 5: Solve for x
x = 105,500,698,278,890.39/12,297,874.57 - Step 6: Final answer
x = 8,578,774.95
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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.