Finding the Fourth Proportional to 8,768,246.40, 13,152,369.60 and 6,642,482.40
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Solution
The fourth proportional to 8,768,246.40, 13,152,369.60 and 6,642,482.40 is: 9,963,723.60
Step by Step Solution
- Step 1: Write the proportion equation
8,768,246.40 : 13,152,369.60 = 6,642,482.40 : x - Step 2: Convert to fraction form
8,768,246.40/13,152,369.60 = 6,642,482.40/x - Step 3: Cross multiply
8,768,246.40x = 13,152,369.60 × 6,642,482.40 - Step 4: Simplify right side
8,768,246.40x = 87,364,383,586,295.05 - Step 5: Solve for x
x = 87,364,383,586,295.05/8,768,246.40 - Step 6: Final answer
x = 9,963,723.60
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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.