Finding the Fourth Proportional to 16,183,915.78, 24,279,372.87 and 8,609,780.74
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Solution
The fourth proportional to 16,183,915.78, 24,279,372.87 and 8,609,780.74 is: 12,916,532.67
Step by Step Solution
- Step 1: Write the proportion equation
16,183,915.78 : 24,279,372.87 = 8,609,780.74 : x - Step 2: Convert to fraction form
16,183,915.78/24,279,372.87 = 8,609,780.74/x - Step 3: Cross multiply
16,183,915.78x = 24,279,372.87 × 8,609,780.74 - Step 4: Simplify right side
16,183,915.78x = 209,040,077,008,389.62 - Step 5: Solve for x
x = 209,040,077,008,389.62/16,183,915.78 - Step 6: Final answer
x = 12,916,532.67
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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.