Finding the Fourth Proportional to 16,239,355.96, 22,410,310.60 and 8,897,467.28
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Solution
The fourth proportional to 16,239,355.96, 22,410,310.60 and 8,897,467.28 is: 12,278,504.50
Step by Step Solution
- Step 1: Write the proportion equation
16,239,355.96 : 22,410,310.60 = 8,897,467.28 : x - Step 2: Convert to fraction form
16,239,355.96/22,410,310.60 = 8,897,467.28/x - Step 3: Cross multiply
16,239,355.96x = 22,410,310.60 × 8,897,467.28 - Step 4: Simplify right side
16,239,355.96x = 199,395,005,298,137.16 - Step 5: Solve for x
x = 199,395,005,298,137.16/16,239,355.96 - Step 6: Final answer
x = 12,278,504.50
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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.