Finding the Fourth Proportional to 18,606,935.20, 27,854,415.60 and 16,367,447.20
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Solution
The fourth proportional to 18,606,935.20, 27,854,415.60 and 16,367,447.20 is: 24,501,922.09
Step by Step Solution
- Step 1: Write the proportion equation
18,606,935.20 : 27,854,415.60 = 16,367,447.20 : x - Step 2: Convert to fraction form
18,606,935.20/27,854,415.60 = 16,367,447.20/x - Step 3: Cross multiply
18,606,935.20x = 27,854,415.60 × 16,367,447.20 - Step 4: Simplify right side
18,606,935.20x = 455,905,676,619,856.31 - Step 5: Solve for x
x = 455,905,676,619,856.31/18,606,935.20 - Step 6: Final answer
x = 24,501,922.09
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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.