Finding the Fourth Proportional to 8,069,847.30, 11,136,322.50 and 4,398,697.14
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Solution
The fourth proportional to 8,069,847.30, 11,136,322.50 and 4,398,697.14 is: 6,070,165.66
Step by Step Solution
- Step 1: Write the proportion equation
8,069,847.30 : 11,136,322.50 = 4,398,697.14 : x - Step 2: Convert to fraction form
8,069,847.30/11,136,322.50 = 4,398,697.14/x - Step 3: Cross multiply
8,069,847.30x = 11,136,322.50 × 4,398,697.14 - Step 4: Simplify right side
8,069,847.30x = 48,985,309,930,867.65 - Step 5: Solve for x
x = 48,985,309,930,867.65/8,069,847.30 - Step 6: Final answer
x = 6,070,165.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.