Finding the Fourth Proportional to 9,786,608.10, 14,679,912.15 and 6,385,385.70
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Solution
The fourth proportional to 9,786,608.10, 14,679,912.15 and 6,385,385.70 is: 9,578,078.55
Step by Step Solution
- Step 1: Write the proportion equation
9,786,608.10 : 14,679,912.15 = 6,385,385.70 : x - Step 2: Convert to fraction form
9,786,608.10/14,679,912.15 = 6,385,385.70/x - Step 3: Cross multiply
9,786,608.10x = 14,679,912.15 × 6,385,385.70 - Step 4: Simplify right side
9,786,608.10x = 93,736,901,119,866.27 - Step 5: Solve for x
x = 93,736,901,119,866.27/9,786,608.10 - Step 6: Final answer
x = 9,578,078.55
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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.