Finding the Fourth Proportional to 16,810,181.60, 25,218,382.80 and 5,451,000.80
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Solution
The fourth proportional to 16,810,181.60, 25,218,382.80 and 5,451,000.80 is: 8,177,509.80
Step by Step Solution
- Step 1: Write the proportion equation
16,810,181.60 : 25,218,382.80 = 5,451,000.80 : x - Step 2: Convert to fraction form
16,810,181.60/25,218,382.80 = 5,451,000.80/x - Step 3: Cross multiply
16,810,181.60x = 25,218,382.80 × 5,451,000.80 - Step 4: Simplify right side
16,810,181.60x = 137,465,424,817,506.23 - Step 5: Solve for x
x = 137,465,424,817,506.23/16,810,181.60 - Step 6: Final answer
x = 8,177,509.80
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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.