Finding the Fourth Proportional to 16,543,415.40, 24,815,900.70 and 5,184,234.60
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Solution
The fourth proportional to 16,543,415.40, 24,815,900.70 and 5,184,234.60 is: 7,776,595.58
Step by Step Solution
- Step 1: Write the proportion equation
16,543,415.40 : 24,815,900.70 = 5,184,234.60 : x - Step 2: Convert to fraction form
16,543,415.40/24,815,900.70 = 5,184,234.60/x - Step 3: Cross multiply
16,543,415.40x = 24,815,900.70 × 5,184,234.60 - Step 4: Simplify right side
16,543,415.40x = 128,651,451,039,104.20 - Step 5: Solve for x
x = 128,651,451,039,104.20/16,543,415.40 - Step 6: Final answer
x = 7,776,595.58
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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.