Finding the Fourth Proportional to 11,086,455.60, 16,639,014.60 and 5,411,530.80
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Solution
The fourth proportional to 11,086,455.60, 16,639,014.60 and 5,411,530.80 is: 8,121,850.95
Step by Step Solution
- Step 1: Write the proportion equation
11,086,455.60 : 16,639,014.60 = 5,411,530.80 : x - Step 2: Convert to fraction form
11,086,455.60/16,639,014.60 = 5,411,530.80/x - Step 3: Cross multiply
11,086,455.60x = 16,639,014.60 × 5,411,530.80 - Step 4: Simplify right side
11,086,455.60x = 90,042,539,989,549.67 - Step 5: Solve for x
x = 90,042,539,989,549.67/11,086,455.60 - Step 6: Final answer
x = 8,121,850.95
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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.