Finding the Fourth Proportional to 11,614,478.58, 16,027,147.26 and 6,387,849.18
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Solution
The fourth proportional to 11,614,478.58, 16,027,147.26 and 6,387,849.18 is: 8,814,773.63
Step by Step Solution
- Step 1: Write the proportion equation
11,614,478.58 : 16,027,147.26 = 6,387,849.18 : x - Step 2: Convert to fraction form
11,614,478.58/16,027,147.26 = 6,387,849.18/x - Step 3: Cross multiply
11,614,478.58x = 16,027,147.26 × 6,387,849.18 - Step 4: Simplify right side
11,614,478.58x = 102,378,999,482,530.23 - Step 5: Solve for x
x = 102,378,999,482,530.23/11,614,478.58 - Step 6: Final answer
x = 8,814,773.63
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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.