Finding the Fourth Proportional to 18,606,935.70, 27,854,416.35 and 16,367,447.70
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Solution
The fourth proportional to 18,606,935.70, 27,854,416.35 and 16,367,447.70 is: 24,501,922.84
Step by Step Solution
- Step 1: Write the proportion equation
18,606,935.70 : 27,854,416.35 = 16,367,447.70 : x - Step 2: Convert to fraction form
18,606,935.70/27,854,416.35 = 16,367,447.70/x - Step 3: Cross multiply
18,606,935.70x = 27,854,416.35 × 16,367,447.70 - Step 4: Simplify right side
18,606,935.70x = 455,905,702,822,649.88 - Step 5: Solve for x
x = 455,905,702,822,649.88/18,606,935.70 - Step 6: Final answer
x = 24,501,922.84
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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.