Finding the Fourth Proportional to 16,170,382.40, 24,255,573.60 and 7,667,326.40
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Solution
The fourth proportional to 16,170,382.40, 24,255,573.60 and 7,667,326.40 is: 11,500,989.60
Step by Step Solution
- Step 1: Write the proportion equation
16,170,382.40 : 24,255,573.60 = 7,667,326.40 : x - Step 2: Convert to fraction form
16,170,382.40/24,255,573.60 = 7,667,326.40/x - Step 3: Cross multiply
16,170,382.40x = 24,255,573.60 × 7,667,326.40 - Step 4: Simplify right side
16,170,382.40x = 185,975,399,810,423.06 - Step 5: Solve for x
x = 185,975,399,810,423.06/16,170,382.40 - Step 6: Final answer
x = 11,500,989.60
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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.