Finding the Fourth Proportional to 16,139,163.30, 24,210,198.62 and 5,209,611.98
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Solution
The fourth proportional to 16,139,163.30, 24,210,198.62 and 5,209,611.98 is: 7,814,887.20
Step by Step Solution
- Step 1: Write the proportion equation
16,139,163.30 : 24,210,198.62 = 5,209,611.98 : x - Step 2: Convert to fraction form
16,139,163.30/24,210,198.62 = 5,209,611.98/x - Step 3: Cross multiply
16,139,163.30x = 24,210,198.62 × 5,209,611.98 - Step 4: Simplify right side
16,139,163.30x = 126,125,740,768,931.48 - Step 5: Solve for x
x = 126,125,740,768,931.48/16,139,163.30 - Step 6: Final answer
x = 7,814,887.20
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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.