Finding the Fourth Proportional to 9,470,211.20, 14,206,353.60 and 9,171,612.80
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Solution
The fourth proportional to 9,470,211.20, 14,206,353.60 and 9,171,612.80 is: 13,758,423.31
Step by Step Solution
- Step 1: Write the proportion equation
9,470,211.20 : 14,206,353.60 = 9,171,612.80 : x - Step 2: Convert to fraction form
9,470,211.20/14,206,353.60 = 9,171,612.80/x - Step 3: Cross multiply
9,470,211.20x = 14,206,353.60 × 9,171,612.80 - Step 4: Simplify right side
9,470,211.20x = 130,295,174,519,086.09 - Step 5: Solve for x
x = 130,295,174,519,086.09/9,470,211.20 - Step 6: Final answer
x = 13,758,423.31
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1.5x scale
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.