Finding the Fourth Proportional to 9,783,074.70, 14,674,612.05 and 8,901,276.30
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Solution
The fourth proportional to 9,783,074.70, 14,674,612.05 and 8,901,276.30 is: 13,351,914.45
Step by Step Solution
- Step 1: Write the proportion equation
9,783,074.70 : 14,674,612.05 = 8,901,276.30 : x - Step 2: Convert to fraction form
9,783,074.70/14,674,612.05 = 8,901,276.30/x - Step 3: Cross multiply
9,783,074.70x = 14,674,612.05 × 8,901,276.30 - Step 4: Simplify right side
9,783,074.70x = 130,622,776,452,359.44 - Step 5: Solve for x
x = 130,622,776,452,359.44/9,783,074.70 - Step 6: Final answer
x = 13,351,914.45
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Double scale
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Similar ratio
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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.